Friday, April 28, 2017

The Royal Navy submarine HMS H50

Submarine H50 in Whitehaven harbour (1934)
[Image courtesy of 'The Whitehaven News']
Submarine H50 was laid down on 23 January 1918, commissioned into the Royal Navy on 3 February 1920 and scrapped at the end of WW2, in July 1945. The photograph above shows her during a goodwill visit to Whitehaven in 1934.

For additional information click on 'Comments' below.


Blogger ritsonvaljos said...

Additional information

If the Royal Navy is the "Silent Service" of the British Armed Forces then for most of the time its submarine arm is undoubtedly also its "Unseen Service". Secrecy is vital for successful operations in a submarine. Yet, there are times when a submarine will be seen by the public at large, such as when the submarine makes a goodwill visit.

One such goodwill visit to Whitehaven, Cumberland was made by submarine HMS H50 in June 1934 (seen in the above photograph). This was part of a Royal Navy week during which the crew of H50 were hosted by the Borough council.

HMS H50 was a British H-Class submarine which was laid down in January 1918 towards the end of WW1 and commissioned in February 1920. The usual crew complement was 22.

After commissioning, H50 was with the 6th Flotilla at Portland during the 1920s and 1930s. During WW2 she was mainly deployed on training duties but did carry out patrols in the Spring of 1941.

Friday, 28 April, 2017  
Blogger ritsonvaljos said...

Below is a summary of H50's specifications:
Displacement (at surface) - 440 tonnes (490 short tons)
Displacement (submerged) - 500 tonnes (550 short tons)
Length - 171 feet (52 metres)
Beam length - 15 feet 4 inches (4.67 metres)
Draught length - 39 feet (12 metres)
Power (diesel engines) - 480 horsepower (360 kW)
Power (electric motors) - 320 horsepower (240 kW)
Usual speed - 11 knots (13 m.p.h. or 20 km/h)
Fuel load - Normal load of 16.4 tonnes (18.1 short tons); maximum capacity of 18 tonnes (20 short tons).
Maximum speed (surface) - 13 knots (24 km/h or 15 mph)
Maximum speed (submerged) - 10.5 knots (19.4 km/h or 12.1 mph).
Range - 2,985 nautical miles (5,528 km or 3,435 miles) at a surface speed of 7.5 knots (13.9 km/h; 8.6 mph)
Weapons: Anti-Aircraft gun and four 21 inch (530 mm) torpedo tubes (loaded with eight 21 inch torpedoes)

Friday, 28 April, 2017  

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