Specifications
Admirals Class Battleships
| Group 1 | |||||
| Name | Builder | LD | LCH | COM | STATUS |
| Collingwood | Pembroke Dockyard | Jul.12/1880 | Nov.22/1882 | Jul.1/1887 | into Reserve ./02 sold Mar.11/09 to Bolckow scrapped at Dunston |
|
Group 2 |
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| Name | Builder | LD | LCH | COM | STATUS |
| Rodney | Chatham Dockyard | Jan.6/1882 | Oct.8/1884 | Jun.20/1888 | sold May.11/09 to Ward scrapped Jun.16/09 at Morecambe |
| Howe | Pembroke Dockyard | Jun.7/1882 | Apr.28/1885 | Jul.18/1889 | sold Oct.11/10 to Ward scrapped at Briton Ferry |
|
Group 3 |
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| Name | Builder | LD | LCH | COM | STATUS |
| Camperdown | Portsmouth Dockyard | Dec.18/1882 | Nov.24/1885 | Jul.18/1889 | guard ship at Harwich. submarine dockyard depot sold Jul.11/11 to Cohen scrapped at Swansea |
| Anson | Pemboke Dockyard | Apr.24/1883 | Feb.17/1886 | May.28/1889 | sold Jul.13/09 to Clarkson scrapped Aug./09 at Upnor |
|
Group 4 |
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| Name | Builder | LD | LCH | COM | STATUS |
| Benbow | Thames Ironworks (Blackwell) | Nov.1/1882 | Jun.15/1885 | Jun./1888 | sold Jul.13/09 to Ward. scrapped Sep.2/09 at Briton Ferry |
Dimensions
| Length(O/A) | 345' |
| Length (P.P) | 325' 330' (GRP3/GRP4) |
| Beam | 68' |
| Draft | 25.9' (GRP1) 27.45' (GRP2/GRP3/GRP4) 26.92' max (GRP1) 28.33' max (GRP2/GRP3/GRP4) |
| Freeboard | 10' 8.5' (GRP2 & GRP3) 12' (GRP4) |
Displacement
| Full Load | n/a tons |
| Standard | 9,500 tons (GRP1) 10,330 tons (GRP2) 10,600 tons (GRP3 & GRP4) |
Propulsion
| Boilers | 12 Cylindrical 36 Furnaces, 90 lb. pressure |
| Machinery | 2 sets of Humphreys compound inverted 3 cylinder engines |
| Horsepower GRP1 | 9,500 ihp design 7,000 ihp=15.5 knts (rated) 8,369 ihp=16.6 knts (on trials) 9,573 hp with forced draught |
| Horsepower GRP2 & GRP3 | 11,500 hp with forced draught |
| Horsepower GRP4 | 11,500ihp design |
| Shafts | 2 |
| Max Speed | 16.5 knts 16.84 knts best known speed |
| Endurance | 5,000 NM @ 10 knts 7,000 NM @ 10 knts (maximum) |
| Coal Bunkerage | 900-1,200 tons |
Protection
| Waterline Belt | 18" to a depth of 4' below W/L (then tapering to 8" to bottom edge) |
| Deck Armour | 3" |
| Barbettes | 11.5"-10" 14"-12" (GRP3 & GRP4) |
| Secondary Screens | 6" |
| Conning Tower | 12" 2" roof |
| Hull Skin | 1" |
Armament
| Main Gun | 4 x 12.5"/25 cal 45
ton breech loading rifles (2x2) 4 x 13.5"/30 cal 67 ton breech loading (2x2) in GRP2 & GRP3 2 x 16.25"/30 cal 110 ton Armstrong breech loading (1x2) in GRP4 |
| Secondary Gun | 6 x 6"/26 cal 5 ton
breech loading (6x1) 10 in GRP4 replaced by 6" QF in GRP2 & GRP3 12 x 6pdr (12x1) 4 x 3pdr (4x1) 17 x 3pdr in GRP2 & GRP3 20 x 3pdr in GRP4 8 smaller Anti-Torpedo Boat Guns in GRP 1 & GRP 2 |
| Torpedoes | 4 x 14" Whitehead
tubes (4x1) above water 5 in Howe & Benbow |
Complement
| Usual | 498 525 (GRP2) 536 (GRP3) 523 (GRP4) |