Rosario-class sloop

Rosario-class sloop Peterel
Class overview
Name	Rosario-class sloop
Builders	Pembroke Dockyard Devonport Dockyard Deptford Dockyard
Operators	Royal Navy Chinese Imperial Customs Egyptian Government
Built	1860 - 1862
In commission	1862 - 1881
Completed	7
Cancelled	6
Lost	0
General characteristics
Displacement	913 tons
Length	160 ft 10 in (49.02 m)
Beam	30 ft 6 in (9.30 m)
Draught	15 ft 10 in (4.83 m)
Installed power	436 - 627 indicated horsepower
Propulsion	Single screw 2-cylinder horizontal single-expansion steam engine
Sail plan	As built: Ship-rigged From c.1869: Barque-rigged
Speed	About 9 kn (17 km/h) under power
Complement	140
Armament	As built: 11 guns: 1 × 40-pounder (120 mm) Armstrong breech loading guns 6 × 32-pounder (160 mm) muzzle-loading smooth-bore guns 4 × 20-pounder (95 mm) Armstrong breech loading guns By 1869: 3 guns 1 × 7-inch (178 mm) 6.5-ton muzzle-loading gun 2 × 40-pounder (120 mm) Armstrong breech loading guns

The Rosario class was a class of seven screw-sloops of wooden construction built for the Royal Navy between 1860 and 1862. A further six vessels were ordered and laid down, but were cancelled in 1863 before launch. This was the last class of purely wooden sloops built for the Royal Navy.