Recognition Guide Warships of the Second World War
Royal Navy — Submarine

HMS Unswerving

U-class submarine

HMS Unswerving
Royal Navy official photographer — This photograph FL 20467 comes from the collections of the Imperial War Museums (collection no. 8308-29) — Public domain — Wikimedia Commons Plate British U class submarine HMSM UNSWERVING underway, coastal waters.

Service

  1. Royal Navy as HMS Unswerving3 October 1943 — July 1949700 days of the war
U-class submarine Particulars
Name
HMS Unswerving
Builder
Vickers-Armstrongs, High Walker
Laid down
17 February 1942
Launched
19 July 1943
Commissioned
3 October 1943
Fate
Sold for scrap, July 1949 (1949)
Status
Scrapped

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 Unswerving was a U-class submarine of the Royal Navy. Her keel was laid at Vickers-Armstrongs, High Walker on 17 February 1942. Launched on 19 July 1943, she entered service on 3 October 1943.

Her class ran to 53 ships.

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 of 76 mm (3.0 in) calibre.

She was in commission for 700 days of the Second World War.

She was broken up for scrap in July 1949.

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

Armament and machinery

Armament and machinery
Propulsion
  • 2 shaft diesel-electric
  • 2 Paxman Ricardo diesel generators + electric motors
  • 615 / 825 hp
Armament
  • 4 bow internal 21 inch (533 mm) torpedo tubes - 8 - 10 torpedoes
  • 1 - 3 in gun

Sister ships

28 more in the class

Sources

  • Facts harvested from HMS Unswerving on Wikipedia. Figures only — no wording is taken from it.
  • Photograph: Royal Navy official photographer — This photograph FL 20467 comes from the collections of the Imperial War Museums (collection no. 8308-29) — Public domain — Wikimedia Commons