The Pacific War Online Encyclopedia
Photograph of Brooklyn-class light cruiser
National Archives #: 80-G-383754
Schematic diagram of Brooklyn class light cruiserONI 222
Tonnage
9767 tons standardDimensions
608'4" by 61'8" by 21'6"Maximum speed
33.7 knotsComplement
868Bunkerage
1982 tons fuel oilRange
10,000 nautical miles at 15 knots1942: Added 2 3"/50 AA guns
1942-8: Light antiaircraft armament of 4x4, 4x2 40mm Bofors AA guns. SG, SC, and two Mark 4 radar sets installed.
1943: SC and Mark 3 radars replaced with (typically) SK and Mark 8.
1945: Light antiaircraft armament typically 4x4, 6x2 40mm guns and 10x2 20mm Oerlikon AA guns.
The Brooklyns
were completed during 1938-1939 and
were the most modern and powerful light cruisers with which the U.S.
Fleet
began the war. The design arose out of the London Conference of
1930, where the U.S. reluctantly agreed to a freeze on further heavy cruiser construction.
This forced the U.S. Navy to turn to light cruiser construction. Though
design studies began as soon as the London Treaty was ratified, a final
design was not accepted until 1934, due to increased awareness of the
need for antiaircraft protection and the appearance of the Japanese Mogamis
with their (initial) armament of 15 6" guns.
The final design matched the enormous number of guns on the Mogamis and used a protection scheme similar to that of the New Orleans-class heavy cruisers, making them the best-protected modern light cruisers in the world (only the Mogamis came close). However, the Brooklyns proved somewhat structurally weak, and their machinery was not well dispersed. They could carry up to six seaplanes in their large hangers, but the usual complement was four.
References
Gogin (2010; accessed 2013年2月6日)
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