HMS Sheldrake (1911)

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NameSheldrake
NamesakeSheldrake
Ordered8 September 1909
Sheldrake entering the harbour at Malta in 1917
History
United Kingdom
NameSheldrake
NamesakeSheldrake
Ordered8 September 1909
BuilderWilliam Denny and Brothers, Dumbarton
Yard number918
Laid down15 January 1910
Launched18 January 1911
Completed19 May 1911
Out of service9 May 1921
FateSold to be broken up
General characteristics (as built)
Class & typeAcorn-class destroyer
Displacement748 long tons (760 t) normal
Length246 ft (75 m) o.a.
Beam25 ft 5 in (7.7 m)
Draught8 ft 6 in (2.6 m)
Installed power4 Yarrow boilers 13,500 shp (10,100 kW)
PropulsionParsons steam turbines, 3 shafts
Speed27 kn (50 km/h; 31 mph)
Range1,540 nmi (2,850 km; 1,770 mi) at 15 kn (28 km/h; 17 mph)
Complement72
Armament

HMS Sheldrake was one of 20 Acorn-class (later H-class) destroyers built for the Royal Navy. The destroyer served in the First World War. The Acorn class were smaller than the preceding Beagle class but oil-fired and better armed. Launched in 1910, Sheldrake served with the Second Destroyer Flotilla of the Grand Fleet as an escort, transferring to Malta to serve with the Fifth Destroyer Flotilla as part of the Mediterranean Fleet in 1916. The ship once again served as an escort, protecting ships from submarines and mines, including the troopship Ivernia, as well as unsuccessfully attempting to rescue the sloop Nasturtium. After the Armistice, the destroyer was reduced to reserve before being sold to be broken up in 1921.

After the preceding coal-burning Beagle class, the Acorn-class destroyers saw a return to oil-firing. Pioneered by the Tribal class of 1905 and HMS Swift of 1907, using oil enabled a more efficient design, leading to a smaller vessel which also had increased deck space available for weaponry.[1] Unlike previous destroyer designs, where the individual yards had been given discretion within the parameters set by the Admiralty, the Acorn class were a set, with the propulsion machinery the only major variation between the different ships.[2] This enabled costs to be reduced.[3] The class was later renamed H class.[4]

Sheldrake was 240 feet (73 metres) long between perpendiculars and 246 ft (75 m) overall, with a beam of 25 ft 5 in (7.7 m) and a deep draught of 8 ft 6 in (2.6 m). Displacement was 748 long tons (838 short tons; 760 tonnes) normal and 855 long tons (958 short tons; 869 t) full load.[5][6] Power was provided by Parsons steam turbines, fed by four Yarrow boilers.[7] Parsons supplied a complex of seven turbines, a high-pressure and two low pressure for high speed, two turbines for cruising and two for running astern, driving three shafts. The high-pressure turbine drove the centre shaft, the remainder being distributed amongst two wing-shafts.[2] Three funnels were fitted, the foremost tall and thin, the central short and thick and the aft narrow.[8] The engines were rated at 13,500 shaft horsepower (10,100 kW) and design speed was 27 knots (50 km/h; 31 mph). On trial, Sheldrake achieved 28.3 knots (52.4 km/h; 32.6 mph).[4] The vessel carried 170 long tons (170 t) of fuel oil which gave a range of 1,540 nautical miles (2,850 km; 1,770 mi) at a cruising speed of 15 kn (28 km/h; 17 mph).[5][7]

The armament consisted of a single BL 4 in (102 mm) Mk VIII gun carried on the forecastle and another aft. Two single QF 12-pounder 3 in (76 mm) guns were mounted between the first two funnels.[9] Two rotating 21-inch (533 mm) torpedo tubes were mounted aft of the funnels, with two reloads carried, and a searchlight fitted between the tubes.[10] The destroyer was later modified to carry a single Vickers QF 3-pounder 2 in (47 mm) anti-aircraft gun and depth charges for anti-submarine warfare.[11] The ship's complement was 72 officers and ratings.[7]

Construction and career

Pennant numbers

References

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