King George V 1914
King George V 1918
| Name | No | Builder | Laid down | Launched | Comp | Fate |
| Ajax | Scotts, Greenock | 27/2/1911 | 21/3/1912 | 3/1913 | sold for BU 11/1926 | |
| Audacious | Cammell Laird, Birkenhead | 2/1911 | 14/9/1912 | 10/1913 | sunk 27/10/1914 | |
| Centurion | Devonport DYd | 16/1/1911 | 18/11/1911 | 5/1913 | radio-controlled target ship 1927, scuttled 9/6/1944 | |
| King George V (ex-Royal George) | Portsmouth DYd | 16/1/1911 | 9/10/1911 | 11/1912 | sold for BU 12/1926 |
|
Displacement normal, t |
23000 |
|
Displacement full, t |
25700 |
|
Length, m |
182.1 |
|
Breadth, m |
27.1 |
|
Draught, m |
8.70 |
|
No of shafts |
4 |
|
Machinery |
Ajax, King George V: Parsons steam turbines, 18 Babcock & Wilcox boilers Audacious, Centurion: Parsons steam turbines, 18 Yarrow boilers |
|
Power, h. p. |
31000 |
|
Max speed, kn |
21 |
|
Fuel, t |
coal 2870 - 3150 + oil 800 |
|
Armour, mm |
belt: 305 - 203, bulkheads: 254 - 102, turrets: 280 (face) - 203 (sides and rear) - 102 - 76 (roof), barbettes: 254 - 178 (over main deck) - 178 - 76 (under main deck), deck: 102 - 25, CT: 280 (face and sides) - 76 (roof) |
|
Armament |
5 x 2 - 343/45 Mk V, 16 x 1 - 102/50 BL Mk VII, 4 x 1 - 47/40 Hotchkiss, 3 - 533 TT (2 beam, 1 stern) |
|
Complement |
782 |
Ship project history: Slightly improved Orion class.
Protection: Main belt has 305mm thickness between barbettes "A" and "Y", 152-102mm belt extended fwd from barbette "A", ending in 13m from stem, and aft from barbette "Y", ending in 14m from stern, armour height was 6.25m at full length. Lower belt with some length as main belt extended between main and middle decks. Its thickness was 229mm (between barbettes "A" and "Y") - 152 - 102 - 64mm. Upper belt extended between barbettes "A" and "Y" between main and upper decks. Its thickness was 203mm. 305mm main belt closed by fore 152mm and after 254mm bulkheads. Upper belt has 203mm bulkheads. Second fore 102mm bulkhead was at the end of 102mm part main belt, its thickness between main and upper decks was 38mm. End of 64mm after part of lower belt closed by 64mm bulkhead. Upper deck between barbettes "A" and "Y" was 38mm. Main deck was 64mm between first and second fore bulkheads and first and second aft bulkheads, 25mm middle deck with 25mm slopes closed citadel. Lower deck was 102-76mm aft from barbette "Y" and 64 - 25mm fwd from barbette "A". Funnel uptakes had 38-25mm splinter protection.
Modernizations: 1915, all survived: - 4 x 1 - 102/50; + 2 x 1 - 102/50 BL Mk VII AA.
1918, all survived: + flying-off platforms on turrets "B" & "X".
Naval service: Audacious sunk in Irish sea being stricken one German mine (from minelayer Berlin) because of a weak underwater protection.
Centurion 1917
© Ivan Gogin, 2008-09