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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Watson-class lifeboat ： ウィキペディア英語版 Watson-class lifeboat The term ''Watson''-class lifeboat refers to several wooden lifeboat classes operated by the Royal National Lifeboat Institution (RNLI) around the coasts of the United Kingdom and Ireland between 1888 and 1991. The boats had hulls that conformed to the basic design laid down by RNLI naval architect George Lennox Watson. ==History== During the late Victorian period, the vast majority of lifeboats in service with the RNLI were of the self-righting type. The disadvantage of the self-righters was their lack of stability and to meet the requirements of stations which preferred the stability of a non self-righting type G.L. Watson conceived the hull type that bore his name. The first Watson, , was built in 1888 and was 42ft 3in long. Over the next 27 years, 42 ''Watson''-class pulling and sailing types were built at a variety of lengths, the commonest being the 38 footer. In 1904 the RNLI began experimenting with motor lifeboats when a 38ft Self-righter was converted. In 1906 three other lifeboats were converted to motor but none of these was a Watson. However, when in 1908 the first new build motor lifeboats were constructed, two of them were Watson types. Over the next 55 years, 171 boats of the various ''Watson''-classes were built. There was, of course, no connection between a 1908 40ft Watson and a 1963 47ft Watson other than a similarity in basic hull form. There were 11 lengths of boat in 8 separate classes: 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Watson-class lifeboat」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.