HMS A12
Template:Use dmy dates Template:Use British English
Template:Infobox ship imageTemplate:Infobox ship careerTemplate:Infobox ship characteristicsHMS A12 was an Template:Sclass2 submarine built for the Royal Navy in the first decade of the 20th century. After surviving World War I, she was sold for scrap in 1920.
Design and description
A12 was a member of the first British class of submarines, although slightly larger, faster and more heavily armed than the lead ship, Template:HMS. The submarine had a length of Template:Convert overall, a beam of Template:Convert and a mean draft of Template:Convert. They displaced Template:Convert on the surface and Template:Convert submerged. The A-class submarines had a crew of 2 officers and 9 ratings.[1]
For surface running, the boats were powered by a single 16-cylinder Template:Convert Wolseley petrol engine that drove one propeller shaft. When submerged the propeller was driven by a Template:Convert electric motor. They could reach Template:Convert on the surface and Template:Convert underwater.[1] On the surface, A12 had a range of Template:Convert at Template:Convert; submerged the boat had a range of Template:Convert at Template:Convert.[2]
The boats were armed with two 18-inch (45 cm) torpedo tubes in the bow. They could carry a pair of reload torpedoes, but generally did not as they would have to remove an equal weight of fuel in compensation.[3]
Construction and career
A12 was ordered as part of the 1903–04 Naval Programme from at Vickers.[4] She was laid down at the shipyard in Barrow-in-Furness in 1903, launched on 3 March 1905 and completed on 23 September.[2]
Notes
References
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