B-class destroyer (1913)
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|Type:||Torpedo boat destroyer|
|Displacement:||350 long tons (356 t)|
|Length:||210 ft (64 m)|
|Propulsion:||Triple expansion steam engines
Coal-fired water-tube boilers
|Speed:||30–36 knots (56–67 km/h; 35–41 mph)|
|Armament:||1 × QF 12-pounder gun
18-inch (450-mm) torpedo tubes
The B class as designated in 1913 was a heterogeneous group of torpedo boat destroyers (TBDs) built for the Royal Navy in the late 1890s. They were constructed to the individual designs of their builders to meet Admiralty specifications, the uniting feature being a specified top speed of 30 knots (56 km/h) and 4 funnels, although the funnel spacings differed between ships. All "30 knotter" vessels with 4 funnels were classified by the Admiralty as the B class in 1913 to provide some system to the naming of HM destroyers.[Note 1]
Fourteen vessels were built by Laird Brothers at Birkenhead (in 1903 to become part of Cammell Laird, Birkenhead), seven by Palmers Shipbuilding and Iron Company at Hebburn-on-Tyne, and one each by Armstrong Whitworth at Walker-on-Tyne, William Doxford and Sons at Sunderland, and J & G Thomson (later to become John Brown and Company) at Clydebank. All vessels had a distinctive "turtleback" forecastle that was intended to clear water from the bow, but actually tended to dig the bow into anything of a sea, resulting in a very wet conning position.
They generally displaced around 350 tons, one third more than the preceding A class, giving an increase in speed of 3 knots (5.6 km/h) over the "27 knotters". Length was around 210 feet (64 m). All were powered by triple expansion steam engines and had coal-fired water-tube boilers. However, Albacore, Arab, Bonetta, Cobra and Express were builder's specials, and had steam turbines fitted in addition to, or in lieu of, the reciprocating engines, giving 6,000 shaft horsepower (4,500 kW) to 9,000 shaft horsepower (6,700 kW) for 26.75 to 31 knots (49.54 to 57.41 km/h). Armament was one QF 12 pounder gun on a bandstand on the forecastle, five QF 6 pounder guns (two sided abreast the conning tower, two sided between the funnels and one on the quarterdeck) and 2 single tubes for 18-inch (450-mm) torpedoes.
The last two Palmers boats, built in 1908, were replacements for the River class Gala and the C class Tiger that had collided and sunk that year. They were generally similar to the River (or E class) design, but were grouped with the B class as they possessed 4 funnels and were similarly armed, and made 27 knots (50 km/h) on turbines.
- Quail class (all built by Laird, Birkenhead under the 1894–95 programme)
- Earnest class (all built by Laird, Birkenhead under the 1895–96 programme)
- Earnest, launched 7 November 1896, sold for breaking up 7 January 1920.
- Griffon, launched 21 November 1896, sold for breaking up 7 January 1920.
- Locust, launched 5 December 1896, sold for breaking up 6 October 1919.
- Panther, launched 21 January 1897, sold for breaking up 7 June 1920.
- Seal, launched 6 March 1897, sold for breaking up 17 March 1921.
- Wolf, launched 2 June 1897, sold for breaking up 1 July 1921.
- Express (built by Laird, Birkenhead as a steam-turbine powered "special" – under the 1896–97 programme)
- Express, launched 11 December 1897, sold for breaking up 17 March 1920.
- Orwell (built by Laird, Birkenhead under the 1897–98 programme)
- Orwell, launched 29 September 1898, sold for breaking up 1 July 1920.
- Lively class (both built by Laird, Birkenhead under the 1899–1900 programme)
- Success (built by Doxford, Sunderland under the 1899–1900 programme)
- Palmers 4-funnelled group (built by Palmers, Jarrow, the Spiteful ordered under the 1897-98 programme, three purchased under the 1899-1900 Estimates and the Kangaroo purchased under a supplementary programme for 1900-01)
- Spiteful, launched 11 January 1899, sold for breaking up 14 September 1920.
- Peterel, launched 30 March 1899, sold for breaking up 30 August 1919.
- Myrmidon, launched 26 May 1900, rammed and sunk by SS Hambourn in the English Channel, 26 March 1917.
- Syren, launched 20 December 1900, sold for breaking up 14 September 1920.
- Kangaroo, launched 29 December 1899 and purchased in July 1901, sold for breaking up 23 March 1920.
- Arab (built by J & G Thomson, Clydebank as a high-speed "special" under the 1896–97 programme)
- Arab, launched 9 February 1901, sold for breaking up 23 July 1919.
- Cobra (built by Armstrong Whitworth, Elswick as a steam-turbine powered "special")
- Cobra, launched 28 June 1899 and purchased 8 May 1900, wrecked while on delivery voyage 19 September 1901.
- Palmers final group (steam turbine powered)
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- Cocker, Maurice (1983). Destroyers of the Royal Navy, 1893-1981. Ian Allan. ISBN 0-7110-1075-7.
- Lyon, David (1996). The First Destroyers. Chatham Publishing. ISBN 1-86176-005-1.
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