SMS Natter (1896)

SMS ''Natter'' was a torpedo boat of the Austro-Hungarian Navy. ''Natter'' was built by the German shipbuilder Schichau-Werke between 1895 and 1896. She was renamed ''Torpedoboot 18'' (abbreviated ''Tb 18'') in 1910 and used for local coast defence during the First World War. She was scrapped in 1920.

Design

In 1895, the Austro-Hungarian Navy purchased one prototype torpedo boat each from the British shipbuilder Yarrow and the German shipbuilder Schichau-Werke, two specialist builders of torpedo vessels.

Schichau's design was long overall and between perpendiculars, with a beam of and a draught of . Displacement was normal and full load. Two coal-fired Thornycroft-Schutz water-tube boilers fed a single three-cylinder triple expansion steam engine which drove a single propeller shaft. The machinery was rated at giving a speed of . 30 tons of coal were carried, giving an endurance of at .

The ship was armed by two L/33 Skoda guns and three torpedo tubes. The ship had a crew of 21.

Construction and service

The Schichau torpedo boat, named ''Natter'', was laid down at Schichau's Elbing, Prussia (now Elbląg in Poland) shipyard in 1895, and launched in February 1896, later than the competing Yarrow-built torpedo boat . Testing, which was delayed by ice in the Baltic, showed a number of problems, including vibrations at high speed, cracking of the propeller shafts and failure of hull frames in the ship's stern. Attempts to rectify these faults included reinforcing the hull and experiments with different propellers, but were only partly successful. She was completed in November 1896. While both torpedo boats had similar stability and seaworthiness, ''Natter'' continued to suffer from vibrations at high speed, which prevented the German-built ship from reaching its contract speed due to fear of vibration-induced These problem stopped the German-built ship becoming fully operational, and was instead used as a mobile torpedo-battery at the port of Pola (now Pula in Croatia). Further orders went to Yarrow.

In 1910, Austria renamed most of its torpedo boats, with ''Natter'' becoming ''Tb 18''. In 1910–1911, ''Tb 18'' was rearmed, with the two torpedo tubes mounted on the ship's beams replaced by a single centreline tube. At the outbreak of the First World War, ''Tb 18'' formed part of the Minesweeping flotilla of the Pola Local Defence Forces. She was employed on training duties in the war, and in 1917 was again rearmed, with a twin torpedo tube mount replacing one of the single tubes. ''Tb 18'' was allocated to Great Britain as a War reparation as part of the Treaty of Saint-Germain-en-Laye in 1919. She was scrapped in Italy in 1920.

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{{DEFAULTSORT:Natter, SMS
Torpedo boats of the Austro-Hungarian Navy
World War I torpedo boats of Austria-Hungary
1896 ships
Ships built in Elbing