Английская Википедия:Imperial Japanese Navy Technical Department

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Шаблон:Short description The Шаблон:Nihongo was the externally operating division of the Ministry of the Navy of Japan responsible for the administration of naval vessel construction. From 1923 onward, it took on the role of a research institution for the research and development of naval technologies and engineering. This included studying and investigating existing western naval technology, developing and overseeing Japan's domestic shipbuilding and arms industries, and training officers to become naval engineers and inspectors. The bureau was dismantled along with the naval ministry in November 1945 after Japan surrendered to the Allies at the end of World War II.

Taishō period weapons

The Department developed various weapons during the Taishō period. These were known a "Xth Year Type" weapons, with the year being the year of the Taishō Emperor's reign (dating from 30 July 1912 - 25 December 1926).[1][2]

This nomenclature followed on from Meiji period - the Meiji Emperor's reign (13 February 1867 - 30 July 1912). Records exist of a "8.0 inch 45 caliber, 41st Year Type" (1908).[2]

3rd Year Type Guns (1914)

(Note: "3rd Year" refers to these weapons Welin breech block, which was introduced in 1914; the weapons themselves often came later)

5th Year Type Gun (1916)

Шаблон:Convert 48 cm/45 5th Year Type naval gun

6th Year Type Torpedo (1917)

The 6th Year Type torpedo

It was widely used in surface ships and submarines into World War II:

8th Year Type Torpedo (1919)

The 8th Year Type torpedo:

An advance on its predecessor, it was used in:

9th Year Type Mine (1920)

The 9th Year Type mine was deployed from various ships.

It was used as a test explosive on the hulk of Tosa.

11th Year Type Guns (1922)

The 11th Year Type breech was a horizontal-sliding block breech type, adopted in 1922. It was used in the 4.7in Type 3 120 mm 45 caliber naval gun and the 5.5in 14 cm/40 11th Year Type naval gun, which was the standard Japanese submarine deck gun.

11th Year Type Guns were mounted on the following ships:

References

Шаблон:Reflist

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  1. ↑ Japanese Torpedoes, combinedfleet.com
  2. ↑ 2,0 2,1 Guns Шаблон:Webarchive, Mechanisms of Imperial Japanese Navy Warships in 3D, (based on information from "Naval Weapons of World War Two", John Campbell, Naval Institute Press, 1985), accessed 26 April 2010
  3. ↑ Report of the sinking of I-35, Department of Defence (Australia), undated World War II, accessed 24 April 2010
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