St. Vincent 1909
Collingwood 1918
| Name | No | Builder | Laid down | Launched | Comp | Fate |
| St. Vincent | Portsmouth DYd | 30/12/1907 | 10/9/1908 | 5/1909 | stricken 3/1921 | |
| Collingwood | Devonport DYd | 3/2/1907 | 7/11/1908 | 4/1910 | stricken 12/1922 | |
| Vanguard | Vickers, Barrow | 2/4/1908 | 22/2/1909 | 2/1910 | sunk 9/7/1917 |
|
Displacement normal, t |
19560 |
|
Displacement full, t |
23030 |
|
Length, m |
163.4 |
|
Breadth, m |
25.6 |
|
Draught, m |
8.5 |
|
No of shafts |
4 |
|
Machinery |
Parsons steam turbines, 18 Babcock & Wilcox or Yarrow boilers |
|
Power, h. p. |
24500 |
|
Max speed, kn |
21 |
|
Fuel, t |
coal 2800 + oil 940 |
|
Armour, mm |
belt: 254 - 178, bulkheads: 203 - 102, turrets: 280 (face) - 203 (sides and rear) - 76 (roof), barbettes: 229 (over main deck) - 127 (under main deck), deck: 76 - 19, CT: 280 (face and sides) - 203 (rear) - 76 (roof) |
|
Armament |
5 x 2 - 305/50 Mk XI, 20 x 1 - 102/50 BL Mk VII, 4 x 1 - 47/40 Hotchkiss, 3 - 450 TT (2 beam, 1 stern) |
|
Complement |
718 |
Ship project history: These ships were distinguished from previous class only by new 50-cal guns. Guns were not successful and had very short barrel life.
Protection: Main belt has 254-mm (tapering to 203-mm at the lower edge) thickness between barbettes "A" and "Y", 178-mm between barbette "A" and stem (last 10-m part from the stem was 51-mm), 64-mm between barbette "Y" and stern; its height was 2.08 m. Upper belt over 254-mm main belt was 203-mm. Both belts closed by fore 203 - 127-mm and aft 203-mm bulkheads. Second fore 102-127-mm bulkhead was at the end of 178-mm belt. Main deck was 32-mm between barbettes "A" and "Y", 44-mm middle deck with 44-mm slopes closed citadel. Lower deck was 76 mm aft from barbette "Y" and 38-mm fwd from barbette "A". Outer sides of barbettes "P" and "Q" were 254-mm.
Modernizations: before 1914, all: lowering the topmasts; - 2 x 1 - 102/50 (roof of "A" turret)
1915 - 1916, all: + 1 x 1 - 102/40-mm QF Mk IV AA.
1916 - 1917, all: clinker screen on the fore funnel was mounted (Collingwood received clinker screen on the after funnel also); - 1 x 1 - 102/40, 1 - 450 TT (stern); + 2 x 1 - 76/45 QF Mk I
1918, Collingwood: + flying-off platforms on "A" & "Y" turrets for Sopwith Pup and 11/2-strutter.
Naval service: Collingwood grounded on uncharted rock near Ferrol in February 1911. Vanguard blew up at anchor in Scapa Flow due to ammunition exploding. 804 lost. Collingwood since 1918 served as gunnery TS.
Vanguard 1913
© Ivan Gogin, 2008-09