The Pacific War Online Encyclopedia
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|Tonnage||9000 tons standard displacement
|Dimensions||600' by 66'1" by 18'11"
182.88m by 20.14m by 5.77m
|Maximum speed||32.8 knots|
8x1 5"/25 AA guns
4x1 3"/50 AA guns
4x4 1.1"/75 AA guns
8x1 0.50 machine guns
3" (76mm) machinery belt
3.75" (95mm) magazine belt
1" (25mm) machinery bulkheads
2.5" (64mm) magazine bulkheads
1" (25mm) machinery armor deck
2" (51mm) magazine armor deck
1.5" (38mm) barbettes
2.5"/2"/1"/0.75" (64mm/51mm/25mm/19mm) turret faces/roofs/sides/rears
1.25" (38mm) conning tower
||4-shaft Parsons geared turbine
8 White-Forster boilers
|Bunkerage||2108 tons fuel oil|
|Range||10,000 nautical miles (18,500 km) at 15 knots|
||CXAM air search radar (Northampton, Chester, Chicago)
1942: 0.50 machine guns replaced by 14x1 20mm Oerlikon AA guns. Mark 3 and Mark 4 radars added.
antiaircraft outfit was 4x4, 2x2 40mm Bofors AA guns and 31x1 20mm guns. There continued to be considerable variation from unit to unit.
The Northamptons were completed in 1930-31. The design dated back to 1926 and was a modification of the preceeding Pensacola class, with slightly heavier armor and slightly reduced armament. Instead of ten 8" guns mounted in four turrets, the Northamptons had nine 8" guns in three turrets, allowing a shorter and therefore heavier armor belt. However, it was ruled impractical to provide protection against 8" shells and the protection scheme was designed against 6" shells only. The weight saved was used to improve overall survivability and increase the aircraft handling capability.
Originally equipped with torpedoes,
the ships landed their tubes prior to the war in exchange for improved
antiaircraft protection. This
was probably a good decision
given the miserable
quality of U.S.
The aircraft handling facilities included a proper
hangar around the aft funnel, which protected the seaplanes from gun
blast and the elements. In principle, six aircraft could be carried
(four in the hangars and two on the catapults) but in practice only
four were carried.
The ships cost about $12 million apiece.
These powerful units greatly concerned the Japanese, who feared their use as screening vessels in the ring formation
the Americans were expected to use if war broke out. They could foil
Japanese plans to break through the American screen with light forces
to attack the American battle line with torpedoes.The Japanese responded by turning to night combat tactics.
|Sunk by gunfire and torpedoes 1942-2-28 off Sunda Strait|
|Torpedoed 1942-12-1 off Guadalcanal|
|Task Force 12 (Newton, Lexington)
en route Midway
||Sunk by aircraft 1943-1-30 off Rennell Island|
|Off Rennell Island with convoy returning from Philippines|
Evans and Peattie (1997)
Gogin (2010; accessed 2013-2-9)
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