HMS Unbeaten

U-class submarine

Service

Royal Navy as HMS Unbeaten10 November 1940 — 11 November 1942731 days of the war

U-class submarine Particulars

Name: HMS Unbeaten
Builder: Vickers-Armstrongs, Barrow-in-Furness
Laid down: 22 November 1939
Launched: 9 July 1940
Commissioned: 10 November 1940
Fate: Sunk 11 November 1942 (1942)
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
Main gun: 76 mm (3 in)

HMS Unbeaten was a U-class submarine in service with the Royal Navy. Her keel was laid at Vickers-Armstrongs, Barrow-in-Furness on 22 November 1939. She entered service on 10 November 1940, having been launched on 9 July 1940.

53 ships of the class were built.

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.

Her main battery was one 76 mm (3 in) guns.

She was in commission for 731 days of the Second World War.

She was sunk on 11 November 1942, at 46°50′N 6°51′W. 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
615 / 825 hp
Armament: 4 x bow internal 21 inch (533 mm)torpedo tubes - 8 - 10 torpedoes
1 x 3 in gun

Sister ships

28 more in the class

Sources

Facts harvested from HMS Unbeaten on Wikipedia. Figures only — no wording is taken from it.
Photograph: Royal Navy official photographer — This photograph FL 20409 comes from the collections of the Imperial War Museums (collection no. 8308-29) — Public domain — Wikimedia Commons