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See also:BODY See also:PLAN . E, See also:Wale, or See also:fender. F, See also:Iron See also:keel See also:ballast, import-See also:ant in See also:general stability and self-righting. G, See also:Water-ballast tanks. H, Drop-keel. previously held by all competent See also:judges that a mechanically-propelled See also:life-See also:boat, suitable fqr service in heavy See also:weather, was a problem surrounded by so many and See also:great difficulties that even the most sanguine experts dared not See also:hope for an See also:early See also:solution of it. This type of boat (fig. 3) has proved very useful. It is, however, fully recognized that boats of this description can necessarily be used at only a very limited number of stations, and where there is a See also:harbour which never dries out. The highest See also:speed attained by the first See also:hydraulic See also:steam life-boat was rather more than 9 knots, and that secured in the latest 91 knots. In 1909 the See also:fleet . of the Institution included 4 steam life-boats and 8 motor life-boats. The experiments with motor life-boats in previous years had proved successful. The other types of pulling and sailing life-boats are all non-self-righting, and are specially suitable for the requirements of the different parts of the See also:coast on which they are placed. Their various qualities will be understood by a glance at the illustrations (See also:figs. 4, 5, 6, 7 and 8). The Institution continues to build life-boats of different sizes according to the requirements of the various points of the coast at which they are placed, but of See also:late years the tendency has been generally to increase the dimensions of the boats. Additional information and CommentsThere are no comments yet for this article.
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