| 词条 | HMS G2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
HMS G2 was a British G-class submarine built for the Royal Navy during World War I. DescriptionThe G-class submarines were designed by the Admiralty in response to a rumour that the Germans were building double-hulled submarines for overseas duties. The submarines had a length of {{convert|187|ft|1|in|m|1}} overall, a beam of {{convert|22|ft|8|in|m|1}} and a mean draft of {{convert|13|ft|4|in|m|1}}. They displaced {{convert|703|LT|t}} on the surface and {{convert|837|LT|t}} submerged. The G-class submarines had a crew of 30 officers and other ranks. They had a partial double hull.[1] For surface running, the boats were powered by two {{convert|800|bhp|lk=in|0|adj=on}} Vickers two-stroke diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a {{convert|420|hp|0|adj=on}} electric motor. They could reach {{convert|14.25|kn|lk=in}} on the surface and {{convert|9|kn}} underwater. On the surface, the G class had a range of {{convert|2400|nmi|lk=in}} at {{convert|16|kn}}.[1] The boats were intended to be armed with one 21-inch (53.3 cm) torpedo tube in the bow and two 18-inch (45 cm) torpedo tubes on the beam. This was revised, however, while they were under construction, the 21-inch tube was moved to the stern and two additional 18-inch tubes were added in the bow. They carried two 21-inch and eight 18-inch torpedoes. The G-class submarines were also armed with a single {{convert|3|in|cm|1|adj=on}} deck gun.[1] CareerLike the rest of her class, G2{{'}}s role was to patrol an area of the North Sea in search of German U-boats. On 27 October 1918,[2] she torpedoed and sank the German submarine U-78 in the North Sea.[3] She survived the war and was sold for scrap in 1920. Notes1. ^1 2 Gardiner & Gray, p. 90 2. ^{{cite web|title=WWI U-boats|url=https://www.uboat.net/wwi/boats/index.html?boat=78|website=uboat.net|accessdate=16 November 2017}} 3. ^{{cite web|title=German War Memorial Website|url=http://www.denkmalprojekt.org/u-boote/uboote_wk1/wk1_u78.htm|accessdate=16 November 2017}} References
5 : British G-class submarines|World War I submarines of the United Kingdom|Ships built in Chatham|Royal Navy ship names|1915 ships |
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