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Japanese 5.5"/50 Gun


Photograph of 5.5"/50 gun turrets

Navy History and Heritage Command #NH 82094


Specifications:


Bore diameter
5.512"
140mm
Ammunition type
Bagged common and HE rounds.
Incendiary, illuminating, and antisubmarine rounds were also available.

Weight of round

83.3 lbs
38.0 kg

Velocity

2805 feet per second
855 meters per second

Maximum elevation     

30 degrees

Range

21,600 yards
19,750 meters

Firing cycle

10 seconds


This weapon was widely used in the Japanese Navy. The 1914 model was used as secondary armament on battleships and as primary armament on light cruisers and other small vessels. The 1922 variant, which was not substantially different in performance, was used extensively on submarines.

References

Campbell (1985)


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