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Orion Class Battleships Class Overview |
Dimensions, machinery and performance |
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Length: |
581' |
Engines: |
4 Parsons geared steam turbines |
Beam: |
88' 2" |
Boilers: |
18 (a) |
Draft: |
24' 9"std. / 38' 5" full |
Shafts: |
4 |
Displacement: |
22,200 std. / 25,870 full |
HP: |
27,000 |
Speed: |
21 knots (b) |
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Crew: |
800+ |
Range: |
6,730 NM @10 knots 4,110 NM @ 19 knots |
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Construction notes: |
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(a): |
Yarrow in Monarch, Babcock & Wilcox in all others. |
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(b): |
Best speed 22.3 knots made by HMS Conqueror. |
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Armament as built
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Number Carried
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Type
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Arrangement
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Maximum Range / Ceiling
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10 |
13.5"/45 (343mm) Mk V (L) |
5 twin turrets |
23,820 yards @ 20° (13.5 miles) 1,250 lb. AP shell Rate of fire 1-2 RPM |
16 (a) |
4"/50 (102mm) |
casemates |
11,600 yards @ 15° (6.5 miles) 31 lb. HE shell Rate of fire 6-8 RPM |
3 (b) |
21" (533mm) Torpedo tubes |
2 broadside 1 stern all submerged |
4,500 yards @ 45 knots (2.5 miles) 10,750 yards @ 31 knots (6.1 miles) 515 lb. TNT warhead |
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Armament notes: |
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(a): |
Reduced to 8 in 1967-17. |
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(b): |
Stern tube removed in 1916. |
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After 1919 one 4" and one 3" anti-aircraft guns were installed. |
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Name |
Builder |
Launched |
Commissioned |
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Portsmouth Dockyard Portsmouth, England |
Aug. 20, 1910 |
Jan. 2, 1912 |
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Fate |
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Sold December 19, 1922 to Cox & Danks, Queensborough, England and scrapped.
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Name |
Builder |
Launched |
Commissioned |
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Thames Iron Works & Shipbuilding Company Ltd. Blackwall, London, England |
Feb. 2, 1911 |
June 15, 1912 |
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Fate |
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Sold Dec. 1926 to Hughes Bolckow, Blyth, England and scrapped.
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Name |
Builder |
Launched |
Commissioned |
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Monarch (ex-King George V) |
Sir W. G. Armstrong, Whitworth & Company Ltd. Newcastle-on-Tyne, England |
Mar. 30, 1911 |
Apr. 6, 1912 |
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Fate |
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Sunk as target Jan. 20, 1925
Location: North Atlantic, 76 miles southwest of the Lizard. (49.07N - 06.20W) |
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Name |
Builder |
Launched |
Commissioned |
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Conqueror |
William Beardmore & Co. Ltd. Dalmuir, Scotland |
May 1, 1911 |
Feb. 25, 1913 |
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Fate |
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Scrapped in 1923.
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Page revised Oct. 24, 2007 |
