Sirio-class torpedo boat
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The ''Sirio'' class (also known as the ''Saffo'' class) was a class of six sea-going steam-powered torpedo boats of the Italian ''Regia Marina'' (Royal Navy) built by the German shipyard Schichau-Werke from 1904–1906. They served in the Italo-Turkish War and the First World War.


Design

In 1904, work began at the German shipyard of Schichau-Werke, Elbing (now Elbląg, Poland) on a class of six torpedo-boats for the Italian Navy. They were long length between perpendiculars, between perpendiculars and length overall, overall, with a Beam (nautical), beam of and a Draft (ship), draught of . Two Coal-fired Schultz-Thornycroft boilers fed Marine steam engine#Triple or multiple expansion, Vertical triple-expansion steam engines rated at , giving a rated speed of , which corresponded to an in-service sea speed of about . Sufficient coal was carried to give a range of at or at .Fock 1979, p. 142 Displacement (ship), Displacement was . Three torpedo tubes were fitted, with a gun armament of three 47 mm guns. The ships had a crew of 38 officers and men.


Service

On delivery, the ships of the class equipped the 1st Squadron of High Seas Torpedo Boats, based first at La Spezia and then at Messina. The ships of the class were active during the Italo-Turkish War of 1911–1912, with ''Spica'' leading four ''Pegaso''-class torpedo boats on a reconnaissance of the Dardanelles on the night of 18/19 July 1912, penetrating under fire about before being stopped by a boom across the straits, and then escaping with little damage and no casualties.Beehler 1913, pp. 87–90. Two ships, ''Scorpione'' and ''Serpente'', were lost following collisions during the First World War, with the remaining ships being rearmed, with two Cannon 76/40 Model 1916, 76 mm anti-aircraft guns replacing the 47 mm guns. A third ship, ''Saffo'' was lost after running aground off Turkey on 2 April 1920. The surviving ships were disposed of in 1923.


Ships


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References

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External links


Classe Sirio (1905)
Marina Militare website {{WWI Italian ships Torpedo boats of the Regia Marina World War I naval ships of Italy