Roberts Class Monitors Class Overview |
Dimensions, machinery and performance |
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Length: |
373' 3" |
Engines: |
2 Parsons single reduction geared steam turbines |
Beam: |
89' 9" |
Boilers: |
2 Admiralty three drum type |
Draft: |
11' 9" std. / 13' 6" full |
Shafts: |
2 |
Displacement: |
7,973 std. / 9,150 full |
HP: |
4,800 |
Speed: |
12 knots |
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Crew: |
308 (wartime 442) |
Range: |
2,680 NM @ 12 knots |
Armament as built |
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Number Carried
|
Type
|
Arrangement |
Maximum Range / Ceiling |
2 |
15"/42 (381mm) |
1 twin turret |
32,500 yards @ 30.5° (18.4 miles) with a 1,938 lb. armor piercing shell |
8 |
4" |
4 twin mounts |
13,840 yards @ 30° |
16 |
1.5"/39 (40mm) |
1 octuple mount 2 quadruple mounts |
5,000 yards AA ceiling 13,300' |
16 |
20mm |
6 twin mounts 4 single mounts |
N/A |
Name | Builder |
Launched |
Commissioned |
Roberts (F-40) |
John Brown & Company Ltd. Clydebank, Scotland |
Feb. 1, 1941 |
Oct. 27, 1941 |
Fate | |||
Sold June 1965 to Thomas W. Ward and scrapped in Inverkeithing, Scotland. |
Name | Builder |
Launched |
Commissioned |
Abercrombie (F-109) |
Vickers-Armstrongs Ltd. Newcastle-on-Tyne, England |
Mar. 31, 1942 |
May 5, 1943 |
Fate | |||
Sold in 1954 to Thomas W. Ward and scrapped at Barrow-in-Furness, England. |
Page published Dec. 1, 2007 |