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fighting ships of the world

UNITED STATES NAVY (UNITED STATES OF AMERICA)

SUBMARINES

V5 (NARWHAL) submarines (1930)

Narwhal 1941

No Name Yard No Builder Laid down Launched Comm Fate
SC1, 7/1931- SS167 V5, 2/1931- Narwhal   Portsmouth N Yd 5/1927 17/12/1927 3/1930 stricken 5/1945
SC2, 7/1931- SS168 V6, 2/1931- Nautilus   Mare Island N Yd, Vallejo 5/1927 15/3/1930 7/1930 stricken 7/1945

 

Displacement standard, t

 

Displacement normal, t

2987 / 3960

Length, m

108.2 wl 113.1 oa

Breadth, m

10.1

Draught, m

5.16

No of shafts

2

Machinery

2 MAN diesels + 2 MAN diesel-generators / 2 electric motors

Power, h. p.

5633 / 1600

Max speed, kts

17.4 / 8

Fuel, t

diesel oil 732

Endurance, nm (kts) 18000 (10) / 50 (5)

Armament

2 x 1 - 152/53 Mk 12/14, 2 x 1 - 12.7/90, 6 - 533 TT (12, 4 bow, 2 stern)

Sensors

JK sonar

Complement

89

Diving depth operational, m

100

   

Ship project history: Largest American submarines before occurrence of nuclear-powered Nautilus. They were built under slightly modified project of Argonaut, in which stern mine tubes were replaced by two TT. Double-hulled.

These submarines possessed the majority of Argonaut shortcomings: insufficient manoeuvrability and too large diving time. At the same time the big internal volume allowed to use these submarines for subversive landings.

Modernizations: 1940 - 1941, Narwhal: main diesels were replaced by more powerful Fairbank-Morse diesel-generators (6000 h. p.); + QCH sonar

1940 - 1941, Nautilus: main diesels were replaced by more powerful Fairbank-Morse diesel-generators (6000 h. p.); + QCD sonar

1942, Nautilus; 1943, Narwhal: + 2 x 1 - 20/70 Mk 4, 4 - 533 TT (2 ext bow, 2 ext stern, 16 torpedoes totally), SD, SJ radars

Naval service: No significant events.

 

Narwhal

Ivan Gogin, 2014