15.5 cm/60 3rd Year Type gun
The 60 kōkei sannenshiki 15.5 centi sanrensōhō was a dual-purpose naval gun used by the Imperial Japanese Navy on the s as secondary armament in four triple turrets, the s in five triple turrets (later converted to five twin 20 cm/50 3rd Year Type naval gun turrets) and on the light cruiser Ōyodo in two triple turrets. The s were also initially planned to carry the 15.5 cm/60 3rd Year Type in five triple turrets, but were redesigned with the 20 cm/50 3rd Year Type in four twin turrets. They were also deployed on 60° single mounts as coastal defense guns in the Tokyo Bay area.
15.5 cm/60 3rd Year Type gun
メルビル · CC BY-SA 3.0
- Name
- 15.5 cm/60 3rd Year Type
- Field
- rifled breech loader · naval artillery
- Region
- Japan
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Documentary summary
The 60 kōkei sannenshiki 15.5 centi sanrensōhō was a dual-purpose naval gun used by the Imperial Japanese Navy on the s as secondary armament in four triple turrets, the s in five triple turrets (later converted to five twin 20 cm/50 3rd Year Type naval gun turrets) and on the light cruiser Ōyodo in two triple turrets. The s were also initially planned to carry the 15.5 cm/60 3rd Year Type in five triple turrets, but were redesigned with the 20 cm/50 3rd Year Type in four twin turrets. They were also deployed on 60° single mounts as coastal defense guns in the Tokyo Bay area.
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wikidata · Q1696394
In this article
Overview
Overview
Construction was of the monobloc type with autofretting and used a Welin breech block mechanism which could be operated either hydraulically or by hand. Their slow rate of fire, limited elevation and slow traverse made them unsuitable for the AA role, but they were an excellent anti-ship weapon.
battleship yamato
メルビル
Japanese heavy cruiser Suzuya in drydock № 4 of Yokosuka Navy Yard.
Japanese Imperial Navy
Key facts
Key facts
• Name — 15.5 cm/60 3rd Year Type • Origin — Japan • Type — Naval gun • Is Ranged — yes • Is Artillery — yes • Service — 1935–1945 • Used By — Imperial Japanese Navy • Wars — World War II • Design Date — 1933 • Manufacturer — Kure Naval Arsenal • Number — 80 • Weight — 12.7 MT • Length — 9.615 m • Part Length — 9.3 m • Cartridge — 55.87 kg • Caliber — 155 mm 60 caliber • Rate — 5 rpm • Velocity — 925 m/s • Max Range — 27400 m at 45° • Elevation — -7° to +45°
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- Japan
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
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