German Type U 151 submarine
U-155, a Type U 151 U-boat exhibited in London after the First World War.
Flensburger Schiffbau, Flensburg
Atlas Werke, Bremen
Stülcken Sohn, Hamburg
|Displacement:||1,512 tonnes (1,488 long tons) (surfaced)
1,875 tonnes (1,845 long tons) (submerged)
2,272 tonnes (2,236 long tons) (total)
|Length:||65 m (213 ft 3 in) (overall)
57 m (187 ft 0 in) (pressure hull)
|Beam:||8.9 m (29 ft 2 in) (overall)
5.8 m (19 ft 0 in) (pressure hull)
|Draught:||5.3 m (17 ft 5 in)|
|Propulsion:||800 hp (600 kW) (surfaced)
800 hp (600 kW) (submerged)
|Speed:||12.4 knots (23 km/h) surfaced
5.2 knots (10 km/h) submerged
|Range:||25,000 nautical miles (46,000 km) surfaced, 65 nautical miles (120 km) submerged|
|Armament:||18 torpedoes (2/0 in bow/stern tubes)
2 x 150 mm deck gun with 1672 rounds
In addition to the cargo-carrying submarine Deutschland, six further large cargo submarines were ordered, originally designed to ship material to and from locations otherwise denied German surface ships, such as the United States.
On 16 December 1916, four under construction in the Reiherstieg and Flensburger Schiffbau yards were taken over by the navy and converted to military specification as Type U 151 U-boats, being designated U-151 to U-154. The remaining two, along with the Deutschland, which became U-155, passed into naval control in February 1917, as U-156 and U-157.
All were fitted with two bow torpedo tubes and could carry 18 torpedoes, with the exception of the former Deutschland, which was fitted with six tubes. All were armed with two 15 cm deck guns, and carried a crew of 35. They had a cruising range of around 25,000 nautical miles (46,300 km).
The success of the Type U 151 submarines led to "Project 46", the larger Type U 139 "U-cruisers", designed from the outset as military submarines.
Deutschland made two successful commercial voyages before being commissioned into the Kaiserliche Marine on February 17, 1917 as U-155.
The famous Max Valentiner commanded a Type U 151 U-boat, U-157, and undertook the longest cruise in the war from November 27, 1917 to April 15, 1918, a total of 139 days. High-scoring Waldemar Kophamel also commanded a Type U 151 U-boat, U-151 in late summer and fall of 1917.
List of Type U 151 submarines
Seven Type U 151 submarines were built, of which six were commissioned into the Kaiserliche Marine.
- SM U-151
- SM U-152
- SM U-153
- SM U-154
- SM U-155, the former merchant submarine Deutschland
- SM U-156, probably lost to a mine in September 1918
- SM U-157
- "WWI U-boat Types: Type U 151". WWI U-boat Types. uboat.net. Retrieved April 17, 2007.
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