British E class submarine

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HMS E4

E-class

General Characteristics

Displacement:

Group	Surfaced	Submerged
1	652 tons	795 tons
2/3	662 tons	807 tons

Length:

Group
1	53.65 m
2/3	54.86 m

Beam:

6.86 m

Draught:

Group
1	3.68 m
2/3	3.81 m

Propulsion:

Twin-shift, 2 x 1,600 bhp Vickers diesel,
2 x 840 shp electric motors

Speed:

Surfaced	Submerged
15.25 knots	9.75 knots

Range:

325 nm surfaced, 24 days endurance

Complement:

3 officers, 28 ratings

Armament:

Group	Torpedoes	Guns
1	1 x 18" bow tube 2 x 18" beam tubes 1 x 18" stern tube 8 torpedoes	1 x 12pdr deck gun
2/3	2 x 18" bow tube 2 x 18" beam tubes 1 x 18" stern tube 10 torpedoes	1 x 12 pdr deck gun

The Royal Navy's E-class of diesel/electric submarines were built between 1912 and 1916 and were the mainstay of the submarine fleet during the First World War. A total of 58 boats were built, including two constructed for the Royal Australian Navy.

The boats were built in three groups. Six boats of Group 3 were built as minelayers which were fitted with 20 vertical tubes instead of the two beam tubes.

[edit] Boats

Group 1
- E1 - Launched November 9 1912.
- E2 - Launched November 23 1912.
- E3 - Launched October 29 1912. Torpedoed by U27 on October 18 1914.
- E4 - Launched February 5 1912.
- E5 - Launched May 17 1912. Mined & sunk in the North Sea, March 7 1916.
- E6 - Launched November 12 1912. Mined on December 26 1915.
- E7 - Launched October 2 1913. Scuttled on September 5 1915 in the Dardanelles during the Battle of Gallipoli.
- E8 - Launched October 30 1913.
- AE1 - Built for the RAN. Lost near Papua New Guinea, September 14, 1914.
- AE2 - Built for the RAN. Sunk on April 28, 1915, in the Sea of Marmara during the Battle of Gallipoli.
Group 2
- E9 - Launched November 29, 1913.
- E10 - Launched November 29, 1913. Lost January 18, 1915.
- E11 - Launched April 23, 1914.
- E12 - Launched September 5, 1914.
- E13 - Launched September 22, 1914.
- E14 - Launched July 7, 1914. Mined & sunk, January 27, 1918.
- E15 - Launched April 23, 1914. Destroyed on April 19, 1915 in the Dardanelles.
- E16 - Launched September 23, 1914.
- E17 - Launched January 16, 1915.
- E18 - Launched March 4, 1915. Lost in May 1916.
- E19 - Launched May 13, 1915.
- E20 - Launched June 12, 1915. Torpedoed on November 5, 1915 in the Dardanelles.
Group 3
- E21 - Launched July 24, 1915.
- E22 - Launched August 27, 1915. Torpedoed & sunk, April 25, 1916.
- E23 - Launched September 28, 1915.
- E24 - Launched December 9, 1915. Minelayer.
- E25 - Launched August 23, 1915.
- E26 - Launched November 11, 1915. Lost on July 6, 1916.
- E27 - Launched June 9, 1917.
- E29 - Launched June 1, 1915.
- E30 - Launched June 29, 1915. Lost on November 22, 1916.
- E31 - Launched August 23, 1915.
- E32 - Launched August 16, 1916.
- E33 - Launched April 18, 1916.
- E34 - Launched January 27, 1917. Minelayer.
- E35 - Launched May 20, 1916.
- E36 - Launched September 16, 1916. Lost on January 17, 1917.
- E37 - Launched September 2, 1915. Lost on December 1, 1916.
- E38 - Launched June 13, 1916.
- E39 - Launched May 18, 1916.
- E40 - Launched November 9, 1916.
- E41 - Launched October 22, 1915. Minelayer.
- E42 - Launched October 22, 1915.
- E43 - Launched November 11, 1915.
- E44 - Launched February 21, 1916.
- E45 - Launched January 25, 1916. Minelayer.
- E46 - Launched April 4, 1916. Minelayer.
- E47 - Launched May 29, 1916. Lost on August 20, 1917.
- E48 - Launched August 2, 1916.
- E49 - Launched September 18, 1916. Mined & sunk near Huney in the Shetland Islands, March 12, 1917.
- E50 - Launched November 13, 1916. Mined & sunk, February 1, 1918.
- E51 - Launched November 30, 1916. Minelayer.
- E52 - Launched January 25, 1917.
- E53 - Launched in 1916.
- E54 - Launched in 1916.
- E55 - Launched February 5, 1916.
- E56 - Launched June 19, 1916.cn:英國E級潛艇