Emerald-class corvette

Class overview
Turquoise at anchor
Name:	Emerald class
Operators:	Royal Navy
Preceded by:	HMS Rover
Succeeded by:	Bacchante class
Built:	1873–1878
Completed:	6
Scrapped:	6
General characteristics (as built)
Type:	Composite screw corvette
Tonnage:	1,864 bm
Displacement:	2,120 long tons (2,150 t)
Length:	220 ft (67.1 m) (p/p)
Beam:	40 ft (12.2 m)
Draught:	18 ft (5.5 m)
Installed power:	2,031–2,364 ihp (1,515–1,763 kW)
Propulsion:	1 shaft 1 × 2-cylinder compound-expansion steam engine 6 cylindrical boilers
Sail plan:	Ship rig
Speed:	12–13 knots (22–24 km/h; 14–15 mph)
Range:	2,000–2,280 nmi (3,700–4,220 km; 2,300–2,620 mi) at 10 knots (19 km/h; 12 mph)
Complement:	230
Armament:	10 × 64-pounder 71-cwt rifled muzzle-loading (RML) guns 2 × 64-pounder 64-cwt RML guns

The Emerald-class corvettes were a class of composite screw corvettes built for the Royal Navy in the mid-1870s.

Ships

Ship	Builder^[1]	Laid down^[2]	Launched^[2]	Completed^[2]	Fate^[2]	Cost^[2]
Opal	William Doxford, Sunderland	13 October 1873	9 March 1875	January 1876	Sold for scrap, 11 August 1892	£95,949
Turquoise	Earle's Shipbuilding, Hull	8 July 1874	22 April 1876	13 September 1876	Sold for scrap, 24 September 1892	£95,547
Ruby	Earle's Shipbuilding, Hull	8 July 1874	9 August 1876	14 June 1877	Converted to coal hulk, December 1904; sold for scrap, 16 February 1921	£93,116
Tourmaline	Raylton Dixon, Middlesbrough	17 July 1874	30 October 1875	January 1874	Converted to coal hulk, 1899; sold for scrap, November 1920	£95,769
Emerald	Pembroke Dockyard	29 July 1874	18 August 1876	2 July 1878	Converted to powder hulk, 1898; sold for scrap, 10 July 1906	£98,442
Garnet	Chatham Dockyard	16 March 1875	30 June 1877	31 October 1878	Sold for scrap, December 1904	£92,468

Ballard, G. A. (1937). "British Corvettes of 1875: The Six Composite Corvettes". Mariner's Mirror. Cambridge, UK: Society for Nautical Research. 23 (April): 176–89.
Chesneau, Roger; Kolesnik, Eugene M., eds. (1979). Conway's All the World's Fighting Ships 1860–1905. Greenwich, UK: Conway Maritime Press. ISBN 0-8317-0302-4.
Winfield, Rif & Lyon, David (2004). The Sail and Steam Navy List: All the Ships of the Royal Navy 1815–1889. London: Chatham Publishing. ISBN 978-1-86176-032-6. OCLC 52620555.

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Emerald-class corvettes

Opal Turquoise Ruby Tourmaline Emerald Garnet

Preceded by: HMS Rover Followed by: Bacchante class List of corvette and sloop classes of the Royal Navy

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