&sq=crain_ford&lang=en&file=File:H.M.S._Iris_RMG_PU6277.jpg) A lithograph of Iris
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| History | |
|---|---|
 United Kingdom | |
| Name | Iris |
| Builder | Pembroke Dockyard |
| Laid down | 10 November 1875 |
| Launched | 12 April 1877 |
| Completed | April 1879 |
| Fate | Sold for scrap, 11 July 1905 |
| General characteristics (as built) | |
| Class and type | Iris-class despatch vessel, later second-class cruiser |
| Displacement | 3,730 long tons (3,790 t) |
| Length | 331 ft 6 in (101 m) |
| Beam | 46 ft (14 m) |
| Draught | 20 ft 6 in (6.2 m) |
| Installed power | 12 boilers; 6,000 ihp (4,500 kW) |
| Propulsion | 2 × shafts; 2 × compound-expansion steam engines |
| Sail plan | Barque-rigged |
| Speed | 17 knots (31 km/h; 20 mph) |
| Range | 4,400 nmi (8,100 km; 5,100 mi) at 10 knots (19 km/h; 12 mph) |
| Complement | 275 |
| Armament | 10 × 64 pdr rifled muzzle-loading (RML) guns |
HMS Iris the lead ship of her class of two ships built for the Royal Navy in the 1870s. They were the first all-steel warships to serve with the Royal Navy.