By Trevor I. Williams
Read Online or Download A History of Technology. Volume VII, The Twentieth Century, c. 1900 to c. 1950. Part II PDF
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Extra resources for A History of Technology. Volume VII, The Twentieth Century, c. 1900 to c. 1950. Part II
11. Arendal, Norway. yards so fully engaged those in the industry that there was little time for serious thought on new shipyards. In western Europe, and Scandinavia in particular, entirely new shipyards were built by long-established, well-known, successful companies. Fig. 11 shows the layout of Gotaverken’s shipyard at Arendal, Norway. This shipyard introduced the conveyor-belt system of shipbuilding in which the fabricated sections, each weighing up to 300 tons, are conveyed gradually from the fabricating hall and along the building dock as each section is completed and added to the hull section immediately preceding it.
J. I Fio. 3. One o f the Chapelon rebuilt 4 -6 -2 locom otives of the Paris-Orleans Railway, as used on the N o rth e rn Rail AND R OL L I NG STOCK 765 without the complications in mechanical design and handling that were so necessary on the imported locomotives. The Stephenson link motion still remained one of the simplest forms of valve gear, and Churchward devised an improved layout, whereby better openings for steam entry and exhaust were obtained. This involved a longer travel of the valve, a feature at first not favoured by other engineers because of a fear of undue wear.
AND S HI P B UI L DI NG 761 B IB L IO G R A P H Y Baxter, B. Comparison of welded and riveted ship construction. Engineering, 22 July 1955 -----------. Qualifications fo r shipbuilding. Royal Institution of Naval Architects, London (1971). Beer, W. Analysis o f world merchant ship losses. Royal Institution of Naval Architects, London (1969). D aniel, G. International Conference on Safety o f L ife at Sea, ig48. Institution of Naval Archi tects, London (1949). E yres, D. Ship construction. Heinemann, London (1972).