40mm Bofors quad mount aboard USS Iowa, New York Navy Yard, New York, United States, 9 Jul 1943

Caption   40mm Bofors quad mount aboard USS Iowa, New York Navy Yard, New York, United States, 9 Jul 1943 ww2dbase
Source    ww2dbaseUnited States Navy via navsource.org
More on...   
New York Navy Yard   Main article  Photos  Maps  
Iowa   Main article  Photos  
40 mm Bofors   Main article  Photos  
Photos on Same Day 9 Jul 1943
Added By C. Peter Chen
Added Date 15 Apr 2012

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Visitor Submitted Comments

1. Commenter identity confirmed Alan Chanter says:
26 Jun 2013 02:15:33 AM

The dedicated US late-war AA mounting was the quadruple 40mm Bofors; it was fitted in large numbers to virtually every major US vessel. It was a water-cooled power-driven mounting, the configuration being a twin; quads comprised pairs of twins in a common tub. Shell weight was about 2lb (0.9kg) and rate of fire has been measured at a figure of 150-175 rounds per minute for each barrel of the mounting.

Source: Tony Gibbons. The Complete Encyclopedia of Battleships and Battlecruisers pp253, (Salamander 1983)

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