14 cm/50 3rd Year Type naval gun
|14 cm/50 3rd Year Type naval gun|
14 cm/50 3rd Year Type naval gun from the battleship Mutsu
|Place of origin||Japan|
|Used by||Imperial Japanese Navy|
|Mass||5,600–5,700 kilograms (12,346–12,566 lb)|
|Barrel length||7.0 meters (23 ft 0 in) (bore length)|
|Shell||separate-loading, bagged charge|
|Shell weight||38 kilograms (84 lb)|
|Caliber||14 centimeters (5.5 in)|
|Breech||Welin breech block|
|Elevation||-7° to +35° depending on mount|
|Rate of fire||About 6 rounds per minute|
|Muzzle velocity||850–855 meters per second (2,790–2,810 ft/s)|
|Maximum firing range||19,750 meters (21,600 yd) at +35°|
The 14 cm/50 3rd Year Type naval gun was a Japanese low-angle weapon introduced during World War I.
It served as the secondary armament in a number of Japanese dreadnoughts and as the main armament in light cruisers and some auxiliary ships. It was also the most common Japanese coast-defense gun during World War II. "Third year type" refers to the Welin breech block on this gun. Breech-block design began in 1914, the third year of the Taishō period. This breech-block design was also used on Japanese 40 cm (16 inch), 20 cm (8 inch), 15.5 cm (6 inch), 12.7 cm (5 inch), and 12 cm (4.7 inch) naval guns.
Weapons of comparable role, performance and era
- BL 5.5 inch Mark I naval gun : British equivalent
- Canon de 138 mm Modèle 1910 Naval gun : French equivalent
A captured gun after the Battle of Enogai.
A turret mounted gun captured on Tarawa.
One of the three surviving Piti Guns on Guam.
- Campbell, p. 190
- Campbell, pp. 173, 190
- Campbell, pp. 190–91
- Campbell, John (1985). Naval Weapons of World War II. Annapolis, MD: Naval Institute Press. ISBN 0-87021-459-4.
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