Royal Navy — Submarine
P46
HMS Unruffled
Service
- as HMS Unruffled9 April 1942 — January 19461,242 days of the war
U-class submarine
Particulars
- Name
- HMS Unruffled
- Pennant / hull number
- P46
- Builder
- Vickers Armstrong, Barrow-in-Furness
- Laid down
- 25 February 1941
- Launched
- 19 December 1941
- Commissioned
- 9 April 1942
- Fate
- Scrapped January 1946 (1946)
- Status
- Scrapped
Specifications
- Displacement, surfaced
- 540 long tons (549 t)
- Displacement, submerged
- 730 long tons (742 t)
- Length
- 58.22 m (191 ft)
- Beam
- 4.88 m (16 ft)
- Draught
- 4.57 m (15 ft)
- Speed
- 11.3 knots (20.8 km/h, 12.9 mph)
- Complement
- 27
- Main gun
- 76 mm (3 in)
HMS Unruffled was a U-class submarine built for the Royal Navy. She carried the pennant number P46. Vickers Armstrong, Barrow-in-Furness laid her keel on 25 February 1941. She entered service on 9 April 1942, having been launched on 19 December 1941.
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 1,242 days of the Second World War.
She was broken up for scrap in January 1946.
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 hp / 825 hp
- Armament
- 4 × bow internal 21 inch (533 mm) torpedo tubes; 8–10 torpedoes
- 1 × 3 in gun
Sister ships
- French submarine Curie (P67)
- HMS P32 (1940)
- HMS P33 (1941)
- HMS P36 (1941)
- HMS P38 (1941)
- HMS P39
- HMS P47
- HMS P48 (1942)
- HMS Ultimatum
- HMS Ultor
- HMS Umbra
- HMS Umpire (N82)
- HMS Una
- HMS Unbeaten
- HMS Unbending
- HMS Unbroken
- HMS Undaunted (N55)
- HMS Undine (N48)
- HMS Union (N56)
- HMS Unique (N95)
- HMS Unison
- HMS United
- HMS Unity (N66)
- HMS Universal
Sources
- Facts harvested from HMS Unruffled on Wikipedia. Figures only — no wording is taken from it.
- Photograph: Roper, F G (Lt) Royal Navy official photographer — This photograph A 14689 comes from the collections of the Imperial War Museums (collection no. 4700-01) — Public domain — Wikimedia Commons