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fighting ships of the world

ROYAL NAVY - UNITED KINGDOM

SUBMARINES

PORPOISE submarine (1933)

Porpoise 1940

Name No Builder Laid down Launched Comp Fate
Porpoise M14 - N14 Vickers-Armstrong, Barrow 9/1931 30/8/1932 4/1933 sunk 16/1/1945

 

Displacement standard, t

1500

Displacement normal, t

1768 / 2053

Length, m

88.1

Breadth, m

9.09

Draught, m

4.84

No of shafts

2

Machinery

2 Admiralty diesels / 2 electric motors

Power, h. p.

3300 / 1630

Max speed, kn

15.5 / 8.75

Fuel, t

diesel oil 155 - 190

Endurance, nm(kts)

6300(10.6) / 64(4)

Armament

6 - 533 TT (bow; 12), 1 x 1 - 120/45 QF Mk IX, 50 M3 mines

Sensors sonar

Complement

59

Diving depth operational, m 60

Ship project history: Unique British special minelaying submarines. Porpoise was built under the 1930 program. Design was created on basis of "" class. Saddle-tank submarine had an operational diving depth 60m, maximal depth 95m. Fuel tanks out of a pressure hull were welded. Two horizontal mine tubes placed in a superstructure and extended from an aft end in a bow on about 70m.

Modernizations: 1934:  1 x 1 - 120/45; + 1 x 1 - 102/40 QF Mk XII

1940s: submarine received ability to carry 12 M2 mines instead of torpedoes.

Naval service: Porpoise was sunk by Japanese aircraft at coast of Malaya 16/1/1945.

Porpoise 1935

Ivan Gogin, 2008-10