.jpg) HMS Endymion rounding the Cape of Good Hope.
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| Class overview | |
|---|---|
| Name | Ister-class frigate |
| Builders | Deptford Dockyard, Devonport Dockyard, Woolwich Dockyard |
| Operators |  Royal Navy |
| Preceded by | Bristol class |
| Succeeded by | None |
| Built | 1860–66 |
| In service | 1866–1885 |
| In commission | 1866–1879 |
| Planned | 5 |
| Completed | 1 |
| Cancelled | 4 |
| Scrapped | 1 |
| General characteristics HMS Endymion | |
| Displacement | 3,200 long tons (3,300 t) |
| Tons burthen | 2486 |
| Length | 240 ft (73.2 m) |
| Beam | 48 ft (14.6 m) |
| Draught | 18 ft 8 in (5.69 m) |
| Installed power | 1,620 ihp (1,210 kW) |
| Propulsion | 1 shaft, 1 Steam engine |
| Speed | 12.5 knots (23.2 km/h; 14.4 mph) |
| Complement | 450 |
| Armament |
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The Ister-class frigates were a group of five 36-gun screw frigates ordered for the Royal Navy in the early 1860s. Four of the ships were cancelled after they were laid down and HMS Endymion was the only ship completed.