Il romanticismo della nave; la storia della sua origine e della sua evoluzione . ched a Birkenhead. Questa era una pagaia. Twoyears dopo questo un piroscafo di ferro è stato costruito a Blackwallfor un privato, e successivamente è stato acquistatodal Ammiragliato come la prima vite-semovente vesselin la nostra marina. Costruita in ferro, mostrò durante il suo viaggio di prova nel 1843 che la sua velocità era di oltre 12miles un'ora e su essere presa sopra lei becameknown come H.M.S. Dxvarf^, anche se era stata presentata come la Sirenetta. Era di 164 tonnellate, andher tiraggio medio sul suo viaggio di prova era soltanto 5|piedi, che è in contrasto meraviglioso al

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The romance of the ship; the story of her origin and evolution . ched at Birkenhead. This was a paddle craft. Twoyears after this an iron steamer was built at Blackwallfor a private individual, and was afterwards purchasedby the Admiralty as the first screw-propelled vesselin our navy. Constructed of iron, she showed onher trial trip in 1843 that her speed was over 12miles an hour, and on being taken over she becameknown as H.M.S. Dxvarf^ though she had beenlaunched as the Mermaid. She was of 164 tons, andher mean draught on her trial trip was only 5|feet, which is in wonderful contrast to the modernDreadnought^ which draws as much as 26 feet. In1846 the unfortunate Birkenhead was launched as asteam frigate for the royal navy. Built of iron, she was eventually used as a transport, and hada tonnage of 1400. This vessel was also a paddle-wheel craft, and foundered off Simons Bay, SouthAfrica, six years after her launching, and 454 peopleperished. The year before this historic disaster occurred twopaddle-wheel gunboats had been built and engined by 128. THE FIRST STEAM WARSHIPS a British firm for the Prussian Government, but duringthe Crimean War they were obtained by the EnglishGovernment in exchange for a 36-gun frigate, and sawactive service under the names Recruit and Weser.Some details as to these two ships of war will aiFord thereader an idea as to how far steam vessels had advancedabout the time when the clippers were beginning to winfame and fortune. Both these paddle-wheelers weredouble-ended, and could carry enough coal for steam-ing 2000 miles, whilst drawing when thus loaded only7 feet of water. They were fitted with oscillatingengines, making 33 revolutions a minute, which gavethem a speed of over 11 knots per hour. Steam wassupplied from four tubular boilers, and the paddle-wheelswere 17 feet in diameter. Fitted with two masts anda sail area of 415 square yards, their gross registeredtonnage was 334 tons each, length on the load water-line178 feet, and ext

Parole chiave associate all'immagine

• bookcentury1900
• bookd
• booksubjectshipbuilding
• booksubjectships