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RNLB William and Kate Johnstone (ON 682)

释义

Design and construction
Hull construction
References

{{Infobox ship image{{Infobox ship career

Ship image =Lifeboat William and Kate Johnston 1923.jpg

Ship caption=RNLB William and Kate Johnstone
}}{{Infobox ship career

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Ship country=

Ship flag=

Ship name=

Ship namesake=

Ship owner= Royal National Lifeboat Institution (RNLI)

Ship ordered=

Ship awarded=

Ship builder= J Samuel White & Co, Cowes, Isle of Wight
}}

Official Number:

ON 682

Donor:

gifts from Mr. Stewart and his sister Mrs. W. Kendall

Station

New Brighton

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Ship original cost= £16,084

Ship yard number=

Ship way number=

Ship laid down=

Ship launched= Summer of 1923

Ship sponsor=

Ship christened= By Mrs. Stewart Johnston, 24 September 1924

Ship completed=

Ship acquired=1923

Ship commissioned=

Ship recommissioned=

Ship decommissioned=1950

Ship in service=

Ship out of service=

Ship refit=

Ship struck=

Ship motto=

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Ship fate= preserved in a seagoing condition in Ramsgate, Kent, and is available for charter, training and corporate hospitality.

Ship notes=

Ship badge=
}}{{Infobox ship characteristics

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Header caption=

Ship class= Barnett

Ship type= Motor Lifeboat

Ship tonnage=

Ship displacement=43 tons 2cwt

Ship tons burthen=

59|ft|9|in|abbr=on}} overall

14|ft|9|in|abbr=on}}

Ship draught=

Ship depth=

Ship power= Two D.E. Six-cylinder, 80 hp submersible petrol engins

Ship propulsion=2 X pitch propellers in tunnels

9.5|kn|km/h|abbr=on}}

300|nmi|km|abbr=on}}

Ship capacity=

Ship complement=

Ship crew=

Ship notes=
}}

RNLB William and Kate Johnston (ON 682) was a {{Lbc|Barnett}} lifeboat^[1] stationed at New Brighton in the English county of Merseyside from the summer of 1923^[2] until 1950. The lifeboat was designed as a prototype by James R. Barnett^[3] who was a consulting naval architect to the Royal National Lifeboat Institution. She was the first Barnett-class lifeboat and at the time of her launch, she was the largest lifeboat in the world.^[3]

Design and construction

This new design of motor lifeboat was a radical^[3] departure from previous RNLI rescue boats. It was nearly {{convert|60|ft|m}} long with a beam of close to {{convert|15|ft|m}}. The William and Kate Johnston was pushed through the water with twin propellers^[3] which were housed in tunnels. To drive these propellers there were two new D.E. six-cylinder submersible petrol engines of 80 horsepower.^[3] Each engine was housed in its own chamber, with entirely separate fuel and cooling systems.^[3] Each of these was watertight and was capable of running if the engine room became flooded and the engine was entirely submerged. The engines air intakes were set well above the waterline even when the boat was waterlogged. The Barnett-class could cruise at {{convert|9.5|kn|km/h}}^[3] and had an operating range of {{convert|300|nmi|km}}.^[3] The class was also the first RNLI that rely solely on its engines for its motive power although the Barnett was equipped with a small staysail and trysail for stability purposes.

Hull construction

The hull was constructed of timber and was divided into fifteen^[3] watertight compartments. The lifeboat was also the first motor lifeboat to be built with flush decks, similar to earlier steam driven lifeboats. There was a semi enclosed deck shelter which housed the on deck helm position which helped to keep the crew out of bad weather launches. Below deck there was also a cabin which could accommodate up to twenty four^[3] people. If necessary the Barnett class lifeboat was capable of caring a total of 130 rescued people.^[3]

References

1. ^Ships For All: By Bowen, Frank C: Published by Ward, Lock & Co., Ltd, London and Melbourne: Second Edition
2. ^Heroes All!, The story of the RNLI, By Beilby, Alec: Published By Patrick Stephens Ltd (1992): {{ISBN|1-85260-419-0}}
3. ^¹²³⁴⁵⁶⁷⁸⁹¹⁰Rescue at Sea: By Evans, Clayton: Published by Conway (2003): {{ISBN|0-85177-934-4}}

{{RNLI lifeboat classes}}{{National Historic Ships}}{{Use dmy dates|date=February 2011}}{{DEFAULTSORT:William And Kate Johnston}}

4 : 1923 ships|Barnett-class lifeboats|Ships and vessels on the National Register of Historic Vessels|New Brighton, Merseyside

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