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{{More citations needed|date=January 2024}}
{{Infobox Weapon
{{Infobox weapon
|name=Solothurn ST-5
|name=Solothurn ST-5
|image= [[File:Anti-aircraft gun in Nanking.PNG|300px]]
| image= Anti-aircraft gun in Nanking.PNG
| image_size = 300
|caption= A Chinese Army Solothurn ST-5 AA gun was captured by the Japanese Imperial Army in Nanjing, 1937.
|caption= A Chinese Army Solothurn ST-5 AA gun was captured by the Japanese Imperial Army in Nanjing, 1937.
|origin=
|origin=
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|wars=[[World War II]]
|wars=[[World War II]]
<!-- Production history -->
<!-- Production history -->
|designer=
|designer=
|design_date=
|design_date=
|manufacturer=
|manufacturer=
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|variants=
|variants=
<!-- General specifications -->
<!-- General specifications -->
|weight=
|weight=
|length=
|length=
|part_length=
|part_length=
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|height=
|height=
|crew=
|crew=
<!-- Ranged weapon specifications -->
<!-- Ranged weapon specifications -->
|cartridge=[[20×138mmB]]
|cartridge=[[20×138mmB]]
|caliber=20 mm (.79 in)
|caliber=20 mm (.79 in)
|action=
|action=
|rate=
|rate=
|velocity=
|velocity=
|range=
|range=
|max_range=
|max_range=
|feed=
|feed=
|sights=
|sights=
<!-- Artillery specifications -->
<!-- Artillery specifications -->
|breech=
|breech=
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The '''Solothurn ST-5''' is a 20&nbsp;mm [[anti-aircraft gun]] designed by {{ill|Waffenfabrik Solothurn|de}} in Switzerland which ultimately was the design basis for the highly successful [[2 cm Flak 30]] series of guns used by Germany in [[World War II]].
{{unreferenced|date=January 2011}}
The '''Solothurn ST-5''' is a 20 mm [[anti-aircraft gun]] designed by [[Solothurn]] in [[Switzerland]] which ultimately was the design basis for the highly successful [[2 cm FlaK 30]] series of guns used by [[Germany]] in [[World War II]].


Solothurn was owned by the German firm [[Rheinmetall]], which at the time was prohibited from developing certain weapons. It and other German manufacturers sought partnerships with foreign firms, often owning them outright, in an effort to circumvent the terms of the [[Versailles Treaty]].
Solothurn was owned by the German firm [[Rheinmetall]], which at the time was prohibited from developing certain weapons. It and other German manufacturers sought partnerships with foreign firms, often owning them outright, in an effort to circumvent the terms of the [[Versailles Treaty]]. The gun was initially developed by Germans engineers employed in a Dutch front company of Rheinmetall, ''Hollandsche Industrie- en Handelsmaatschappij'' (H.I.H., informally also "Haiha") which is better known as [[HIH Siderius]].


The ST-5 fired the 'Long Solothurn' ammunition, the cartridge [[20 x 138B cartridge|20 × 138 mm. B]]. The cartridge case was 138 mm long, making it the most powerful 20 mm round available.
The ST-5 fired the 'Long Solothurn' ammunition, the cartridge [[20 x 138B cartridge|20 × 138 mm. B]]. The cartridge case was 138&nbsp;mm long, making it the most powerful 20&nbsp;mm round available.


==Users==
==Users==
*{{flag|Nazi Germany}} - While Germany did not adopt the ST-5, the Kriegsmarine did acquire a version of the weapon for ship-board air defense. The weapon was designated 20 mm C/30 and equipped several German naval vessels during World War II. This weapon was further refined for the other German forces as the 2 cm Flak 30 described separately.
*{{flag|Nazi Germany}} - While Germany did not adopt the ST-5, the Kriegsmarine did acquire a version of the weapon for ship-board air defense. The weapon was designated 20&nbsp;mm C/30 and equipped several German naval vessels during World War II. This weapon was further refined for the other German forces as the 2&nbsp;cm Flak 30 described separately.<ref>Gander & Chamberlain, p. 132</ref>
*{{ROC}} - During the Second Sino-Japanese War (World War 2 in China), the Chinese Nationalist Army soldiers used the Solothurn ST-5 as the main AA gun. The Solothurn ST-5 firstly joined the Battle of Shanghai and the Battle of Nanking. The Solothurn ST-5 was not only used for anti-aircrafts and also used for destroying the Japanese tanks and armored vehicles, so it became the anti-tank gun in the Battle of Taierzhuang and destroyed 15 Japanese tanks in this Battle.
*{{ROC}} - During the Second Sino-Japanese War (World War 2 in China), the Chinese Nationalist Army soldiers used the Solothurn ST-5 as the main AA gun. The Solothurn ST-5 firstly joined the [[Battle of Shanghai]] and the [[Battle of Nanking]]. The Solothurn ST-5 was not only used for anti-aircraft and also used for destroying the Japanese tanks and armored vehicles, so it became the anti-tank gun in the [[Battle of Taierzhuang]] and destroyed 15 Japanese tanks in this Battle.
*{{flag|Bulgaria}}
*{{flag|Bulgaria}}
*{{flag|Greece}}


== See also ==
== See also ==
* [[List of anti-aircraft guns]]
* [[List of anti-aircraft guns]]
* [[2 cm FlaK 30/38/Flakvierling]]
* [[2 cm Flak 30/38/Flakvierling]]

==Citations==
{{Reflist}}

==Bibliography==
* {{cite book|last1=Gander|first1=Terry|last2=Chamberlain|first2=Peter|title=Weapons of the Third Reich: An Encyclopedic Survey of All Small Arms, Artillery and Special Weapons of the German Land Forces 1939-1945|publisher=Doubleday|location=New York|year=1979 |isbn=0-385-15090-3|name-list-style=amp}}

{{Rheinmetall}}
{{Rheinmetall}}
{{artillery-stub}}


[[Category:20 mm artillery]]
[[Category:20 mm artillery]]
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[[Category:Artillery of Switzerland]]
[[Category:Artillery of Switzerland]]
[[Category:Rheinmetall]]
[[Category:Rheinmetall]]
[[Category:Military equipment introduced in the 1930s]]

{{artillery-stub}}

Latest revision as of 15:14, 1 October 2024

Solothurn ST-5
A Chinese Army Solothurn ST-5 AA gun was captured by the Japanese Imperial Army in Nanjing, 1937.
TypeAnti-aircraft cannon
Service history
Used byNazi Germany
WarsWorld War II
Specifications
Shell20×138mmB
Caliber20 mm (.79 in)

The Solothurn ST-5 is a 20 mm anti-aircraft gun designed by Waffenfabrik Solothurn [de] in Switzerland which ultimately was the design basis for the highly successful 2 cm Flak 30 series of guns used by Germany in World War II.

Solothurn was owned by the German firm Rheinmetall, which at the time was prohibited from developing certain weapons. It and other German manufacturers sought partnerships with foreign firms, often owning them outright, in an effort to circumvent the terms of the Versailles Treaty. The gun was initially developed by Germans engineers employed in a Dutch front company of Rheinmetall, Hollandsche Industrie- en Handelsmaatschappij (H.I.H., informally also "Haiha") which is better known as HIH Siderius.

The ST-5 fired the 'Long Solothurn' ammunition, the cartridge 20 × 138 mm. B. The cartridge case was 138 mm long, making it the most powerful 20 mm round available.

Users

[edit]
  •  Nazi Germany - While Germany did not adopt the ST-5, the Kriegsmarine did acquire a version of the weapon for ship-board air defense. The weapon was designated 20 mm C/30 and equipped several German naval vessels during World War II. This weapon was further refined for the other German forces as the 2 cm Flak 30 described separately.[1]
  •  Republic of China - During the Second Sino-Japanese War (World War 2 in China), the Chinese Nationalist Army soldiers used the Solothurn ST-5 as the main AA gun. The Solothurn ST-5 firstly joined the Battle of Shanghai and the Battle of Nanking. The Solothurn ST-5 was not only used for anti-aircraft and also used for destroying the Japanese tanks and armored vehicles, so it became the anti-tank gun in the Battle of Taierzhuang and destroyed 15 Japanese tanks in this Battle.
  •  Bulgaria
  •  Greece

See also

[edit]

Citations

[edit]
  1. ^ Gander & Chamberlain, p. 132

Bibliography

[edit]
  • Gander, Terry & Chamberlain, Peter (1979). Weapons of the Third Reich: An Encyclopedic Survey of All Small Arms, Artillery and Special Weapons of the German Land Forces 1939-1945. New York: Doubleday. ISBN 0-385-15090-3.