Admiralty type leader

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Admiralty type leader

General Characteristics
Displacement: 1,580 tons standard; 2,053 tons full load
Length: 322.5 ft o/a
Beam: 31.75 ft
Draught: 12.5 ft
Propulsion: 4 Yarrow-type boilers, Parsons single reduction turbines, 2 shafts, 40,000 shp
Speed: 36.5 kts (service)
Range: 500 tons oil, 5,000 nm at 15 kts
Complement: 170
Armament: 5 x 4.7 in BL Mark I
1 x 12 pdr (3 in) HA Mark VIII
2 x triple tubes for 21 in torpedoes

The Admiralty type leader, sometimes known as the Scott class, were a class of destroyer leaders designed and built for the Royal Navy towards the end of World War I. They were named after Scottish historical leaders. The function of a leader was to carry the flag staff of a destroyer flotilla, therefore they were enlarged to carry additional crew, offices and signalling equipment, allowing a fifth gun to be carried. These ships were very similar to the Thornycroft type leader, but the latter had broad, slab-sided funnels characteristic of Thornycroft designs, the Admiralty type having two narrow funnels of equal height.


Admiralty type leader
General Characteristics
Displacement:	1,580 tons standard; 2,053 tons full load
Length:	322.5 ft o/a
Beam:	31.75 ft
Draught:	12.5 ft
Propulsion:	4 Yarrow-type boilers, Parsons single reduction turbines, 2 shafts, 40,000 shp
Speed:	36.5 kts (service)
Range:	500 tons oil, 5,000 nm at 15 kts
Complement:	170
Armament:	5 x 4.7 in BL Mark I 1 x 12 pdr (3 in) HA Mark VIII 2 x triple tubes for 21 in torpedoes

All except Mackay and Malcolm were completed in time for wartime service, Scott being a war loss. Barrington and Hughes were cancelled in 1918. All the remaining ships except Bruce and Stuart survived service in World War II, being converted to escort ships. Montrose had Brown-Curtis steam turbines, giving 43,000 shp for an extra ¹/₂ knot.

Ships

Bruce; Sunk as target, 1939
Campbell; Completed 1918, convoy escort during World War II
Mackay; Completed 1919, convoy escort during World War II, scrapped 1945
Douglas; Completed 1918, convoy escort during World War II, scrapped 1945
Malcolm; Completed 1919, convoy escort during World War II, scrapped 1945
Montrose; Completed 1918, convoy escort during World War II, scrapped 1945
Scott; Completed 1918, Torpedoed by U-boat 15 August 1918 off Danish coast.
Barrington; Ordered from Cammel Laird, cancelled, 1918
Hughes; Ordered from Cammel Laird, cancelled, 1918

Bibliography

Destroyers of the Royal Navy, 1893-1981, Maurice Cocker, 1983, Ian Allan ISBN 0711010757
Conway's All the World's Fighting Ships, 1922-1946, Ed. Robert Gardiner, Naval Institute Press, ISBN 0870219138
Destroyers of World War II, An International Encyclopedia, M. J. Whiteley, Arms and Armour Press, 1988, ISBN 1845095218

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