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Oakley-class lifeboat
The Oakley-class lifeboat refers to two types of self-righting lifeboat operated by the Royal National Lifeboat Institution around the coast of the United Kingdom and Ireland between 1958 and 1993. The 37ft Oakley was designed for carriage launching, while the larger 48ft 6in version was designed for slipway launching or to lie afloat. During their service they saved a combined total of 1,456 lives in 3,734 rescue launches.
The class is known by the name of its designer, RNLI naval architect Richard A. Oakley.
==History==
During the first half of the twentieth century the RNLI had equipped its lifeboat stations with motor lifeboats designed by G L Watson and, later, J R Barnett. Both these men had designed boats that were generally stable, but unlike the earlier boats, were not self-righting. Part of the problem was that motor lifeboats were much heavier than pulling and sailing boats which could be packed with cork to make them buoyant. Richard Oakley worked out how to use shifting water ballast to create a self-righting motor lifeboat.
Oakley's prototype was launched in 1958 and placed in service at . Production boats started to be built in 1961 and in 1963 the prototype boat was launched and sent to . The last was built in 1960 and the final in 1963, after which Oakleys were the only all-weather lifeboats put into service for the next four years.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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