Eclipse-class sloop

HMS Sirius
Class overview
Name	Eclipse class
Builders	Devonport Dockyard Portsmouth Dockyard Chatham Dockyard Sheerness Dockyard Deptford Dockyard
Operators	Royal Navy
Preceded by	Amazon class
Succeeded by	Fantome class
Built	1867–1870
In service	1867–1921
Completed	7
Scrapped	7
General characteristics (as built)
Type	Wooden screw sloop (later corvette)
Displacement	1,760 long tons (1,790 t)
Tons burthen	1,268 bm
Length	212 ft (64.6 m) (p/p)
Beam	36 ft (11.0 m)
Draught	16 ft 6 in (5.0 m)
Depth	21 ft 6 in (6.6 m)
Installed power	1,946–2,518 ihp (1,451–1,878 kW)
Propulsion	1 shaft 1 × 2-cylinder horizontal steam engine 4 or 6 × boilers
Sail plan	Barque or Ship rig
Speed	12–13 knots (22–24 km/h; 14–15 mph)
Complement	180
Armament	2 × 7-inch rifled muzzle-loading guns 4 × 6.3-inch 64-pounder rifled muzzle-loading guns

The Eclipse class was a class of seven 6-gun wooden screw sloops built for the Royal Navy between 1867 and 1870. They were re-armed and re-classified as 12-gun corvettes in 1876. Two further vessels were proposed but never ordered.