250t-class torpedo boat
The 250t class were high-seas torpedo boats built for the Austro-Hungarian Navy between 1913 and 1916. A total of 27 boats were built by three shipbuilding companies, with the letter after the boat number indicating the manufacturer. All 27 boats saw service in World War I, undertaking anti-submarine operations in the Adriatic Sea, shore bombardment missions along its Italian coastline, and convoy, escort and minesweeping tasks. The boats were transferred to various countries, including Romania, Portugal, Greece, and eight to the newly created Kingdom of Serbs, Croats and Slovenes.
About 250t-class torpedo boat in brief
The 250t class were high-seas torpedo boats built for the Austro-Hungarian Navy between 1913 and 1916. A total of 27 boats were built by three shipbuilding companies, with the letter after the boat number indicating the manufacturer. All 27 boats saw service in World War I, undertaking anti-submarine operations in the Adriatic Sea, shore bombardment missions along its Italian coastline, and convoy, escort and minesweeping tasks. Under the terms of the post-war Treaty of Saint-Germain-en-Laye, the boats were transferred to various countries, including Romania, Portugal, Greece, and eight to the newly created Kingdom of Serbs, Croats and Slovenes. By 1940, thirteen boats of the class had been lost or scrapped, including all six Portuguese boats. During World War II, the five remaining Greek boats were sunk by Axis aircraft during the German-led invasion of Greece. The six surviving Yugoslav boats were captured by the Italians during the Axis invasion of Yugoslavia in April 1941, and were operated by the Regia Marina in a coastal and second-line escort role. The two surviving boats were commissioned by the Yugoslav Navy after the war, one continuing in service until the early 1960s. One of the 66 mm guns on each boat was placed on an anti-aircraft mount. The boats were powered by two water-tube boilers generated by two Yarrow Yarrow turbines, and their boats also had two funnels rather than the single funnel of the STT boats.
When completed, all 27 boats burned fuel and coal, one of which burned the other oil and the other coal, which was used to fuel the other 27 boats. These boats were ordered by AEG-Curtiss, who used Melms-Pfenniger turbines, which also had a single funnel. Despite the very very very requirements for the coastal torpedo boat, theSTT boats were classified as sea-going sea- going boats, but when a tender was requested for four more boats, ten percent of them were ordered from them. The STT boat was built by Stabilimento Tecnico Triestino of Trieste, who were selected for the contract to build eight vessels, ahead of one other tenderer. Despite the specifications of the contract being close to the requirements for a coastal torpedo boats, the ST t boats wereclassified as sea going sea-goer boats, despite the fact that they had two propeller shafts. The boats had a maximum speed of 30 knots for 10 hours, and a cruising range of 1,500 nautical miles (1,500km) The boats also used Parsons turbines, driving two propellers, and had a total of six funnels, one for each of the three groups of boats built by Ganz-Danubius at Fiume and Porto Re, and one for the M-group at Monfalcone. One Romanian boat was lost during the war; the two remaining Romanian boats performed escort tasks in the Black Sea before being taken over by the Soviet Navy. The remaining two were seized by the Germans.
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