Invincible-class battlecruiser
 An early photograph of Invincible, before her torpedo nets were removed | |
| Class overview | |
|---|---|
| Name | Invincible-class battlecruiser |
| Builders | |
| Operators |  Royal Navy |
| Preceded by | None |
| Succeeded by | Indefatigable class |
| Cost | £1.7 m |
| Built | 1906–1909 |
| In service | 1908–1921 |
| Completed | 3 |
| Lost | 1 |
| Scrapped | 2 |
| General characteristics | |
| Type | Battlecruiser |
| Displacement | |
| Length | 567 ft (172.8 m) (o/a) |
| Beam | 78 ft 6 in (23.9 m) |
| Draught | 30 ft (9.1 m) (deep load) |
| Installed power | |