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The ''Imperieuse''-class cruiser was a class of two
armoured cruiser The armored cruiser was a type of warship of the late 19th and early 20th centuries. It was designed like other types of cruisers to operate as a long-range, independent warship, capable of defeating any ship apart from a battleship and fast e ...
s launched between 1883 and 1884 for the
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.


Description

In an 1886 magazine article,
Sir Edward Reed Sir Edward James Reed, KCB, FRS (20 September 1830 – 30 November 1906) was a British naval architect, author, politician, and railroad magnate. He was the Chief Constructor of the Royal Navy from 1863 until 1870. He was a Liberal politi ...
complained that these ships did not deserve to be called "armoured", as they were not armoured at bow or stern, only along the middle of each side. This armour belt was additionally only wide, and as designed would have extended above the waterline. As completed, the two ships were overweight, with the result that the belt was completely submerged, leaving them armoured in name only. The layout of the main armament was unusual for the time, having one gun each forward and aft, and another gun mounted on either beam – in a lozenge arrangement similar to that employed by the French. The original secondary battery comprised ten 6-inch (152mm) guns, but the overweight condition of these ships forced the elimination of four of these weapons. Intended for prolonged deployments on distant foreign stations, the ships were sheathed with wood and copper to prevent marine growth on the hull, and were originally fitted with a
brig A brig is a type of sailing vessel defined by its rig: two masts which are both square-rigged. Brigs originated in the second half of the 18th century and were a common type of smaller merchant vessel or warship from then until the latter part ...
sailing rig to economize on coal. After trials showed them to be sluggish under sail, the masts and yards were removed and replaced by a single pole mast between the funnels. This reduction in rig and the weight saved thereby allowed the reinstallation of two 6-inch guns, for a total of eight.


Ships

* – launched in 1883, converted to a depot ship in 1905 and renamed ''Sapphire II'', later reverted to ''Imperieuse'' in 1909, and sold in 1913. * – launched in 1884, scrapped 1906. One of ''Warspite''s 9.2-inch breech-blocks is/was held at the
Royal Military College of Science The Royal Military College of Science (RMCS) was a British postgraduate school, research institution and training provider with origins dating back to 1772. It became part of the Defence Academy of the United Kingdom in 2009, and ceased to exist ...
(RMCS) at
Shrivenham Shrivenham is a village and civil parish in the Vale of White Horse, Oxfordshire, England, about south-west of Faringdon. The village is close to the county boundary with Wiltshire and about east-northeast of Swindon. The 2011 Census rec ...
.


Building Programme

The following table gives the build details and purchase cost of the members of the ''Imperieuse'' class. Standard British practice at that time was for these costs to exclude armament and stores. In the table: *''Machinery'' meant "propelling machinery". *''Hull'' included "hydraulic machinery, gun mountings, etc." The Naval Annual 1895 , p192-200


Notes


References

* Brassey, T.A. (ed) The Naval Annual 1895 * Brassey, T.A. (ed) The Naval Annual 1903 * * * * *


External links

{{Imperieuse class cruiser Cruiser classes Ship classes of the Royal Navy