HMS R1

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R-class submarine
R-class submarine
Career
Name: HMS R1
Builder: Chatham Dockyard, Kent
Laid down: 4 February 1917
Launched: 25 April 1918
Commissioned: 14 October 1918
Fate: Sold, 20 January 1923
General characteristics
Class and type: R class submarine
Displacement: 420 long tons (427 t) surfaced
500 long tons (508 t) submerged
Length: 163 ft (50 m)
Beam: 16 ft (4.9 m)
Draught: 11 ft 6 in (3.51 m)
Propulsion: 8-cylinder diesel engine, 480 hp (360 kW)
2 × electric motors, 1,200 hp (890 kW) total
Single electric motor for low speed running
One shaft
Speed: 9.5 knots (17.6 km/h) surfaced
14 knots (26 km/h) submerged
Endurance: Submerged: 1 hour at 14 knots (26 km/h)
Complement: 2 officers and 20 ratings
Sensors and
processing systems:
Bow hydrophone array
Armament: 6 × 18 in (460 mm) torpedo tubes (forward)
12 × Mark VIII 18 inch torpedoes (inc. reloads)

HMS R1 was a British R class submarine built at Chatham Dockyard. She was laid down on 4 February 1917 and launched on 25 April 1918 by Lady Sturdee. R1 was commissioned on 14 October 1918. She came too late to see any combat in World War I like most of the other R class submarines. R1 was sold on 20 January 1923 to J. Smith.

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