D class destroyer (1913)

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Class overview
Builders: John I. Thornycroft & Company
Preceded by: Ardent class destroyer
Succeeded by: River class destroyer
Built: 18951899
In commission: 18961921
Completed: 10
General characteristics
Type: Destroyer
Displacement: 355 to 370 tons
Length: 210 ft (64 m)
Propulsion: Triple expansion steam engines
Coal-fired water-tube boilers
5,800 shp
Speed: 30 kn (56 km/h)
Armament: 1 × QF 12-pounder gun
5 × QF 6 pounder gun
2 × 18 in (460 mm) torpedo tubes

The D class as named in 1913 was a heterogeneous group of torpedo boat destroyers (TBDs) built for the Royal Navy in the mid-1890s. They were constructed to the individual designs of their builder, J I Thornycroft of Chiswick, to meet Admiralty specifications. The uniting feature of the class was a top speed of 30 knots and that they all had two funnels. In 1913 all "30 knotter" vessels with 2 funnels (all built by Thornycroft) were classified by the Admiralty as the D class to provide some system to the naming of HM destroyers, while those with 3 funnels were classified as the C class and those with 4 funnels as the B class. All these vessels had a distinctive "turtleback" forecastle that was intended to clear water from the bow, but actually tended to dig the bow in to anything of a sea, resulting in a very wet conning position. They were better constructed than their A class forebears (the "26 knotter" and "27 knotter" groups), but still were poor seaboats unable to reach top speed in anything but perfect conditions.

They generally displaced 355 to 370 tons and had a length of 210 feet. All were powered by triple expansion steam engines for 5,800 shp and had coal-fired water-tube boilers. Armament was one QF 12 pounder on a bandstand on the forecastle, five QF 6 pounder (two sided abreast the conning tower, two sided between the funnels and one on the quarterdeck) and 2 single tubes for 18 inch torpedoes.

[edit] Ships

Desperate group (ordered under 1894-95 Programme);

Angler group (ordered under 1895-96 Programme);

Coquette group (ordered under 1896-97 Programme);

Stag (ordered under 1897-98 Programme);

[edit] Bibliography