HNoMS Mjølner (1868)
978-613-3-79687-4
6133796871
84
2010-10-30
34.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. HNoMS Mjølner was the fourth of five ships of the John Ericsson-class monitors built for the Royal Swedish Navy and the Royal Norwegian Navy in the mid-1860s. They were designed under the supervision of the Swedish-born inventor, John Ericsson, and built in Sweden. Mjølner was delivered in 1868 and ran aground the following year, although she was not seriously damaged. The ship was reconstructed in 1897 and given modern breech-loading guns. Mjølner was sold for scrap in 1909. The John Ericsson-class ships had one twin-cylinder vibrating lever steam engines, designed by Ericsson himself, driving a single four-bladed, 3.74-meter (12 ft 3 in) propeller. Their engines were powered by four fire-tube boilers at a working pressure of 40 psi (276 kPa; 3 kgf/cm2).
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Building and environmental technology
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