|
| Class overview |
|---|
| Name | Audacious class |
| Built | 1867–1870 |
| In commission | 1870–1927 |
| Completed | 4 |
| Lost | 2 |
| General characteristics |
|---|
| Type | Ironclad warship |
| Displacement |
- Audacious/Invincible: 6,106 tons
- Iron Duke/Vanguard: 6,034 tons
|
| Length |
- Audacious/Invincible: 280 ft (85 m)
- Iron Duke/Vanguard: 341 ft 3 in (104.01 m)
|
| Beam | 54 ft (16 m) |
| Draught |
- Audacious/Invincible: 22 ft 7 in (6.88 m)
- Iron Duke/Vanguard: 23 ft 2 in (7.06 m)
|
| Propulsion |
- Coal-fired reciprocating steam engines
- 6 boilers
- 2 shafts
|
| Sail plan | |
| Speed |
- Audacious/Invincible: 13.5 knots (25.0 km/h; 15.5 mph)
- Iron Duke/Vanguard: 13 knots (24 km/h; 15 mph)
|
| Complement | 450 |
| Armament |
- Audacious/Invincible:
- 10 × 9 inch guns
- 4 × 64-pounder guns
- Iron Duke/Vanguard:
- 10 × 12-ton, 9 inch (229 mm) RML guns
- 4 × 6 in (150 mm) 64-pounder (29 kg) RML 'chaser' guns (2 at bows; 2 at stern)
- 6 × 20-pounder (9 kg) guns
- Ram
|
| Armour |
- Audacious/Invincible:
- 8 ft (2.4 m) waterline belt 6 to 8 in (150 to 200 mm) thick
- Central battery 6 to 8 in (150 to 200 mm) armour
- 10 in (250 mm) teak backing
- Iron Duke/Vanguard:
- Iron plating with teak backing
- Belt: 6 to 8 in (150 to 200 mm)
- Battery: 4 to 6 in (100 to 150 mm)
- Bulkheads: 4 to 5 in (100 to 130 mm)
|
The Audacious-class ironclad battleships were designed by Sir Edward Reed at the request of the Board of Admiralty to serve as second-class battleships on distant foreign stations.
