R-class submarine |
|
| Career | |
|---|---|
| Name: | HMS R7 |
| Builder: | Vickers, Barrow-in-Furness |
| Laid down: | 1 November 1917 |
| Launched: | 14 May 1918 |
| Commissioned: | 29 June 1918 |
| Fate: | Sold, 21 February 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 |
HMS R7 was a British R class submarine built by Vickers Limited at Barrow-in-Furness. She was laid down on 1 November 1917 and launched on 14 May 1918. R7 was commissioned on 29 June 1918. She came too late to see any combat in World War I, like most of the other R class submarines. In the Navy List for November 1918 she was based at Donegal.
R7 was sold on 21 February 1923 to E. Suren.