41ft Watson-class lifeboat

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Name41ft Watson-class
Builders
Preceded byVarious
RNLB Edmund and Mary Robison (ON812), 6th of 13 in the Watson 41 Class. Off Princes Dock, Liverpool, on the occasion of her naming ceremony.
Class overview
Name41ft Watson-class
Builders
Operators Royal National Lifeboat Institution
Preceded byVarious
Succeeded by42ft Watson
Cost£5,636–£20,700
Built1932–1939, 1948–1951
In service1933–1982
Completed13
Lost2
Retired11
General characteristics
Class & type41ft Watson-class motor lifeboat
Displacement14-15 tons
Length41 ft (12 m)
Beam11 ft 8 in (3.56 m) - 12 ft 3 in (3.73 m)
Draught3 ft 8 in (1.12 m)
Propulsion
  • 2 x 35-bhp Weyburn AE6 6-cyl. petrol
  • 2 x 47-bhp Parsons Porbeagle 4-cyl. diesel (8 upgraded, 1963)
Speed712 knots
Crew8

The 41 ft Watson-class was a non-self-righting displacement hull lifeboat built between 1933 and 1951 and operated by the Royal National Lifeboat Institution between 1933 and 1982.

The 41 ft Watson was designed for service at stations which required a larger and more powerful boat than the standard carriage launched types, but which could not accommodate the larger Watson types through boathouse or slipway constraints.

The boat is not to be confused with the earlier 41ft Beach Type Motor lifeboat, which was developed from the Norfolk and Suffolk-class lifeboats. Production ran from 1933 to 1939, with thirteen lifeboats completed.[1]

Between 1948 and 1952 a further four boats were built, before the introduction of the much modified 42ft Watson-class lifeboat, which appeared in 1954.[2]

Description

The 41 ft Watson had an aft cockpit, with a cabin ahead of it containing the engine controls. There was a separate forward shelter and there was room in the two for sixteen people. The boats carried two sails as an auxiliary to the twin Weyburn AE6 6-cylinder petrol engines.

RNLB Susan Ashley (ON 856), built in 1948, on display in the RNLI Heritage Collection at Chatham Historic Dockyard

The type was put back into production in 1948, nine years after the last had been built, in a revised version with an enlarged cabin which replaced the forward shelter.[2]

From 1963, eight of the boats were re-engined with 47 bhp Ford-based Parsons Porbeagle 4-cylinder diesel engines.[2]

41 ft Watson-class fleet

See also

Notes

References

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