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Portland Class Cruisers Class Overview |
Dimensions, machinery and performance |
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Length: |
610' 3" |
Engines: |
4 Parsons geared steam turbines |
Beam: |
66' 1" |
Boilers: |
8 White-Forster (oil fired) |
Draft: |
21' / 24" max |
Shafts: |
4 |
Displacement: |
9,950 std. |
HP: |
107,000 |
Speed: |
32.5 knots |
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Crew: |
807 / 1,200 wartime |
Range: |
10,000 NM @ 15 knots |
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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9 |
8"/55 (203mm) |
3 triple turrets |
31,860 yards @ 41° (18.1 miles) 260 lb.AP shell Rate of fire 3-4 RPM |
8 |
5"/25 (127mm) |
single mounts |
27,400 yards @85° (15.5 miles) 53.85 lb. HE shell Rate of fire 15-20 RPM |
8 (a) |
.5" (12.7mm) machine guns |
single mounts |
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4 |
aircraft |
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Armament notes: |
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(a): |
Later replaced with 20mm
Oerlikon's |
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(b): |
Up to twenty four 40mm AA guns in twin mounts added during the war. |
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Name |
Builder |
Launched |
Commissioned |
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Portland CA-33 |
Bethlehem Steel Corp. Quincy, Massachusetts |
May 21, 1932 |
Feb. 23, 1933 |
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Fate |
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Sold Oct. 6, 1959 to
Union Mineral and Alloys Corp., New York, New York
and scrapped. |
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Name |
Builder |
Launched |
Commissioned |
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New York Shipbuilding Corp. Camden, New Jersey |
Nov. 7, 1931 |
Nov. 15, 1932 |
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Fate |
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Sunk July 30, 1945 by the Japanese submarine I-58 (torpedo).
Location: Philippine Sea, 630 miles east of Samar Island, Philippines. (12.02N - 13.48E) 879 crewmen were killed, 317 survivors were picked up Aug. 2, 1945 by a Catalina PBY and USS Cecil Doyle DD-368 and landed at Guam on Aug. 8. (Roll of Honor) |
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Page published July 27, 2008 |
