The 14 cm/50 3rd Year Type naval gun was a Japanese low-angle weapon introduced during World War I.

History 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 , , , , and naval guns.Campbell, pp. 173, 190

This gun was not mounted aboard submarines. Submarine cruisers used the shorter-barreled 14 cm/40 11th Year Type naval gun.Campbell, pp. 190–91

Naval Use

single casemate mounts 20x1 (removed during conversion to hybrid carrier) 20x1

single pedestal mounts 7x1 7x1 7x1 4x1 2x1 light cruiser (also had twin mounts) 4x1 aircraft carrier

twin mounts 3x2 seaplane carrier 2x2 2x2 2x2 minelayer 2x2 light cruiser (also had single mounts)

(uncertain mount)

See also 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

Gallery

Notes

References

External links

14 cm/50 3rd Year Type on navweaps.com