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Cannone da 152/45

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Cannone da 152/45
Cannone da 152/45's on pedestal mounts at the Ansaldo factory.
TypeNaval gun
Coastal artillery
Siege gun
Place of originKingdom of Italy
Service history
In service1917–1945
Used byKingdom of Italy
WarsWorld War I
World War II
Production history
ManufacturerAnsaldo
Specifications
MassNaval gun: 7.1 t (7 long tons)
Siege gun: 16.67 t (16.41 long tons)
Barrel length7.138 m (23 ft 5 in) L/46.7

ShellSeparate loading bagged charge and projectile
Shell weight47 kg (104 lb)
Caliber152.4 mm (6 in)
BreechWelin breech block
RecoilHydro-spring
CarriageBox trail
Elevation-5° to +45°
TraverseCasemate: 60°
Siege gun: 10°
Rate of fire1 rpm
Muzzle velocity830 m/s (2,700 ft/s)
Maximum firing range19.4 km (12 mi)

The Cannone da 152/45 modello 1911 was an Italian naval gun built by the Ansaldo company. It formed the secondary armament of the two Andrea Doria-class dreadnought battleships built during World War I. A number of guns were also converted to siege artillery and coastal artillery roles and served during both world wars.

Variants

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  • Coastal artillery - An unknown number of guns were mounted on shielded pedestal mounts as coastal artillery during both world wars.[1]
  • Naval artillery - The secondary armament of this class of two ships consisted of sixteen 45-calibre 152-millimetre (6 in) guns, mounted in single casemates along the sides of the hull underneath the main guns.[2] These guns could traverse 60 degrees, depress to −5 degrees and had a maximum elevation of +20 degrees. The gun mounts had a reputation of being wet in heavy seas and when the ships were modernized these gun positions were removed and the surplus guns were redeployed.[3]
  • Siege artillery - This version consisted of mounting surplus barrels on a large box trail carriage to address the Italian Army's need for siege artillery and long-range counter-battery work. The carriage had a large open section in the middle that allowed the gun to reach high elevation angles. In order to deploy the guns, a large pit had to be dug to allow the breech to recoil and also allowed the gun crew to service the breech. At the front of the pit, there was a platform to anchor the gun, allowing for limited traverse. 53 were in Italian service in 1939 mostly in Northern Italy. The German designation for the gun was the 15.2 cm K 411(i).[4]
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References

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  1. ^ "2170 – CANNONE da 152/45 S. 1911 per postazioni a terra | Associazione Navimodellisti Bolognesi". www.anb-online.it (in Italian). Retrieved 1 July 2018.
  2. ^ Friedman, Norman (2011). Naval weapons of World War One : guns, torpedoes, mines and ASW weapons of all nations : an illustrated directory. S. Yorkshire: Seaforth Pub. p. 240. ISBN 9781848321007. OCLC 751804655.
  3. ^ Gardiner, Robert (1985). Conway's All the World's Fighting Ships 1906–1921. Gray, Randal. Annapolis, Md.: Naval Institute Press. p. 260. ISBN 0870219073. OCLC 12119866.
  4. ^ Chamberlain, Peter (1975). Heavy artillery. Gander, Terry. New York: Arco. ISBN 0668038985. OCLC 2143869.