HMS Orpheus (N46)

For other ships with the same name, see HMS Orpheus.

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History
Royal Navy EnsignUnited Kingdom
Name	HMS Orpheus
Builder	William Beardmore and Company (Clyde)
Laid down	14 April 1927
Launched	26 February 1929
Commissioned	23 September 1930
Fate	Sunk, 27 June 1940
General characteristics
Displacement	1,781 tons surfaced 2,038 tons submerged
Length	283 ft 6 in (86.41 m)
Beam	30 ft (9.1 m)
Draught	16 ft 1 in (4.90 m)
Propulsion	Diesel-electric 2 × diesel engines, 4,600 hp 2 × electric motors, 350 hp 2 screws
Speed	17.5 kn (20.1 mph; 32.4 km/h) surfaced 9 kn (10 mph; 17 km/h) submerged
Range	8,400 nmi (15,600 km) at 10 kn (12 mph; 19 km/h) surfaced 70 nmi (130 km) at 4 kn (4.6 mph; 7.4 km/h) submerged
Test depth	300 ft (91 m)
Complement	53-55 officers and men
Armament	8 × 21 in (530 mm) torpedo tubes (6 bow, 2 stern) with 16 reloads 1 × QF 4-inch (101.6 mm) Mk XII deck gun 2 × Lewis machine guns

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HMS Orpheus (N46) was an O-class submarine of the Royal Navy. She was laid down by William Beardmore and Company on the Clyde on 14 April 1927, launched on 26 February 1929 and commissioned on 23 September 1930.

Loss

Orpheus was declared overdue on 27 June 1940.