HMS Undine (N48)

U-class submarine

Displacement: 540 long tons (549 t)
Length: 58.22 m (191 ft)
Beam: 4.9 m (16.1 ft)
Speed: 11.3 knots (20.8 km/h, 12.9 mph)
Complement: 27

Service

Royal Navy as HMS Undine21 August 1938 — 7 January 1940128 days of the war

U-class submarine Particulars

Name: HMS Undine
Pennant / hull number: N48
Builder: Vickers Armstrong, Barrow-in-Furness
Laid down: 19 February 1937
Launched: 5 October 1937
Commissioned: 21 August 1938
Fate: Scuttled 7 January 1940 (1940)
Status: Wreck

Specifications

Displacement, surfaced: 540 long tons (549 t)
Displacement, submerged: 730 long tons (742 t)
Length: 58.22 m (191 ft)
Beam: 4.9 m (16.1 ft)
Draught: 4.62 m (15.2 ft)
Speed: 11.3 knots (20.8 km/h, 12.9 mph)
Complement: 27

HMS Undine was a U-class submarine of the Royal Navy. She carried the pennant number N48. Vickers Armstrong, Barrow-in-Furness laid her keel on 19 February 1937. Launched on 5 October 1937, she entered service on 21 August 1938.

She was one of 53 ships of her class.

The boat displaced 540 long tons surfaced and 730 long tons submerged. She measured 58.2 m (191 ft) long with a beam of 4.9 m (16 ft). Her designed speed was 11.2 knots, and she carried a complement of 27.

615 hp drove two shafts.

She was in commission for 128 days of the Second World War.

She was scuttled on 7 January 1940, at 54°06′N 7°24′E. The wreck survives.

Written from the harvested record. Every figure above is sourced; the wording is this site's own.

Armament and machinery

Propulsion: 2 shaft diesel-electric
2 Paxman Ricardo diesel generators + electric motors
Power: 615 hp / 825 hp
Armament: 4 bow internal 21 inch (533 mm) torpedo tubes, 2 external
10 torpedoes
3 anti-aircraft machine guns

Sister ships

28 more in the class

Sources

Facts harvested from HMS Undine (N48) on Wikipedia. Figures only — no wording is taken from it.