HMS C29
| History | |
|---|---|
 United Kingdom |
|
| Name: | HMS C29 |
| Builder: | Vickers, Barrow |
| Laid down: | 4 June 1908 |
| Launched: | 19 June 1909 |
| Commissioned: | 17 September 1909 |
| Fate: | Sunk by mine, 29 August 1915 |
| General characteristics | |
| Class & type: | C-class submarine |
| Displacement: |
|
| Length: | 142 ft 3 in (43.4 m) |
| Beam: | 13 ft 7 in (4.1 m) |
| Draught: | 11 ft 6 in (3.5 m) |
| Installed power: | |
| Propulsion: |
|
| Speed: |
|
| Range: | 910 nmi (1,690 km; 1,050 mi) at 12 kn (22 km/h; 14 mph) on the surface |
| Test depth: | 100 feet (30.5 m) |
| Complement: | 2 officers and 14 ratings |
| Armament: | 2 × 18 in (450 mm) bow torpedo tubes |
HMS C21 was one of 38 C-class submarines built for the Royal Navy in the first decade of the 20th century.
Design and description
The C-class boats of the 1907–08 and subsequent Naval Programmes were modified to improve their speed, both above and below the surface. The submarine had a length of 142 feet 3 inches (43.4 m) overall, a beam of 13 feet 7 inches (4.1 m) and a mean draft of 11 feet 6 inches (3.5 m). They displaced 290 long tons (290 t) on the surface and 320 long tons (330 t) submerged. The C-class submarines had a crew of two officers and fourteen ratings.[1]
For surface running, the boats were powered by a single 12-cylinder[2] 600-brake-horsepower (447 kW) Vickers petrol engine that drove one propeller shaft. When submerged the propeller was driven by a 300-horsepower (224 kW) electric motor.[1] They could reach 13 knots (24 km/h; 15 mph) on the surface and 8 knots (15 km/h; 9.2 mph) underwater. On the surface, the C class had a range of 910 nautical miles (1,690 km; 1,050 mi) at 12 knots (22 km/h; 14 mph).[3]
The boats were armed with two 18-inch (45 cm) torpedo tubes in the bow. They could carry a pair of reload torpedoes, but generally did not as they would have to remove an equal weight of fuel in compensation.[4]
Construction and career
HMS C29 was built by Vickers, Barrow. She was laid down on 4 June 1908 and was commissioned on 17 September 1909. The boat sank a merchant ship while patrolling the Gulf of Riga in the Baltic.
C29 was involved in the U-boat trap tactic. The tactic was to use a decoy trawler to tow a submarine. When a U-boat was sighted, the tow line and communication line was slipped and the submarine would attack the U-boat. The tactic was partly successful, but was abandoned after the loss of two C-class submarines. In both cases, all the crew were lost. C29 was one of the two C class submarines sunk because of the tactic. She was mined when her trawler Ariadne strayed into a minefield in the Humber Estuary on 29 August 1915.[5]
Notes
References
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