A G class submarine before bow modification. Photo: R N Submarine Museum, Gosport. |
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| Career (UK) | |
|---|---|
| Name: | HMS G12 |
| Builder: | Vickers |
| Laid down: | 7 April 1915 |
| Launched: | 24 March 1916 |
| Commissioned: | 15 June 1916 |
| Fate: | Sold 14 February 1920 to JG Potts |
| General characteristics | |
| Displacement: | Surfaced / Submerged: 703 tons / 837 tons |
| Length: | 57.5 m |
| Beam: | 6.92 m |
| Draught: | 4.15 m |
| Propulsion: |
Twin-shaft, 2 x 800 bhp Vickers diesel, 2 x 840 shp electric motors |
| Speed: | Surfaced / Submerged: 14.5 knots (27 km/h) / 10.0 knots |
| Range: | 44.14 tons of fuel oil giving 3,160 nm surfaced at 10 knots (19 km/h). 95 nm submerged, at 3 knots (6 km/h). |
| Complement: | 31 |
| Armament: | Torpedoes: 2 x 18" bow tubes, 2 x 18" beam tubes, 1 x 21" stern tube. 10 torpedoes in total. Guns: 1 x 3" 10 cwt. Mk.1 Elswick Quick Fire High Angle {QFHA}, forward. 1 x 12 pdr. 8 cwt. Mk. 1 gun HA mounting, aft. |
HMS G12 was a British G class submarine of the Royal Navy from World War I.
Like the rest of her class, G12's role was to patrol the North Sea in search of German U-boats.
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