Osprey-class sloop
| Penguin | |
| Class overview | |
|---|---|
| Name | Osprey-class sloop | 
| Operators | Royal Navy | 
| Cost | Between £49,217 (Cormorant) and £56,221 (Pelican) | 
| Built | 1874–1877 | 
| In commission | 1874–1949 | 
| Completed | 5 | 
| Scrapped | 5 | 
| General characteristics | |
| Type | Screw composite sloop | 
| Displacement | 1,130 long tons (1,150 t) | 
| Length | 170 ft (51.8 m) (p/p) | 
| Beam | 36 ft (11.0 m) | 
| Draught | 15 ft 9 in (4.8 m) | 
| Depth | 19 ft 6 in (5.9 m) | 
| Installed power | 666–1,056 ihp (497–787 kW) | 
| Propulsion | 
 | 
| Sail plan | Barque rig | 
| Speed | 9–12 knots (17–22 km/h; 10–14 mph) | 
| Range | 1,480 nmi (2,740 km; 1,700 mi) at 10 knots (19 km/h; 12 mph) | 
| Complement | 140 | 
| Armament | 
 | 
The Osprey class was a Royal Navy class of screw-driven sloops built between 1874 and 1877. Nine additional ships were built to a revised design, the Doterel-class sloop. They were the first class of ship in the Royal Navy to use glass scuttles.