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12.7 cm/40 Type 89 naval gun
127mmAA on IJN Chitose in 1938
Type 89 gun mounted on Chitose
Type Naval gun
anti-aircraft gun
Place of origin Empire of Japan
Service history
In service 1932–45
Used by Naval Ensign of Japan Imperial Japanese Navy
Wars World War I, World War II
Production history
Designed 1928–32
Produced 1932–45
Number built ~1500
Variants Type 88
Specifications
Weight 3,100 kilograms (6,834 lb)
Barrel length 5,080 millimeters (16 ft 8 in) (bore length)

Shell Fixed
Shell weight 20.9–23.45 kilograms (46.1–51.7 lb)
Caliber 12.7-centimeter (5.0 in)
Breech horizontal breech block
Rate of fire 8-14 rounds per minute
Muzzle velocity 720–725 meters per second (2,360–2,380 ft/s)
Maximum range 9,440 meters (10,320 yd) (AA ceiling)

The 12.7 cm/40 Type 89 naval gun was a Japanese anti-aircraft (AA) gun introduced before World War II. It was the Imperial Japanese Navy's standard heavy AA gun during the war.

NotesEdit

ReferencesEdit

  • Campbell, John (1985). Naval Weapons of World War II. Annapolis, MD: Naval Institute Press. ISBN 0-87021-459-4. 

External linksEdit

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