SM UC-8
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SM UC-8 was a German Type UC I minelayer submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat had been ordered by November 1914 and was launched on 6 July 1915. She was commissioned into the German Imperial Navy on 5 July 1915 as SM UC-8.[Note 1] Mines laid by UC-8 in her one patrol are not known to have sunk any ships. UC-8 ran aground on the Dutch coast near Terschelling on 4 November 1915. Interned by the Dutch, UC-8 was purchased and commissioned into the Dutch Navy as HNLMS M 1.[3] The submarine was broken up in 1932.[1]
The UC-8 in Dutch service as HNLMS M 1 | |
| History | |
|---|---|
 German Empire | |
| Name | UC-8 |
| Ordered | November 1914[1] |
| Builder | AG Vulcan, Hamburg[2] |
| Yard number | 52[1] |
| Launched | 6 July 1915[1] |
| Commissioned | 5 July 1915[1] |
| Fate | Grounded on Dutch coast, 4 November 1915; interned[1] |
 Netherlands | |
| Name | M 1[3] |
| Owner | Royal Netherlands Navy |
| Acquired | 1917[4] |
| Commissioned | 13 March 1917[5] |
| Fate | Broken up in 1932[1] |
| General characteristics [6] | |
| Class & type | Type UC I submarine |
| Displacement | |
| Length |
|
| Beam | 3.15 m (10 ft 4 in) |
| Draft | 3.04 m (10 ft) |
| Propulsion |
|
| Speed |
|
| Range |
|
| Test depth | 50 m (160 ft) |
| Complement | 14 |
| Armament |
|
| Service record | |
| Part of |
|
| Commanders | |
| Operations | 1 patrol |
| Victories | None |
Design
A Type UC I submarine, UC-8 had a displacement of 168 tonnes (165 long tons) when at the surface and 183 tonnes (180 long tons) while submerged. She had a length overall of 33.99 m (111 ft 6 in), a beam of 3.15 m (10 ft 4 in), and a draught of 3.04 m (10 ft). The submarine was powered by one Daimler-Motoren-Gesellschaft six-cylinder, four-stroke diesel engine producing 90 metric horsepower (66 kW; 89 shp), an electric motor producing 175 metric horsepower (129 kW; 173 shp), and one propeller shaft. She was capable of operating at a depth of 50 metres (160 ft).[6]
The submarine had a maximum surface speed of 6.20 knots (11.48 km/h; 7.13 mph) and a maximum submerged speed of 5.22 knots (9.67 km/h; 6.01 mph). When submerged, she could operate for 50 nautical miles (93 km; 58 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 780 nautical miles (1,440 km; 900 mi) at 5 knots (9.3 km/h; 5.8 mph). UC-8 was fitted with six 100 centimetres (39 in) mine tubes, twelve UC 120 mines, and one 8 millimetres (0.31 in) machine gun. She was built by AG Vulcan Stettin and her complement was fourteen crew members.[6]
Notes
- "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.[citation needed]