Type UE I submarines were preceded by the longer Type U 66 submarines. U-74 had a displacement of 755 tonnes (743 long tons) when at the surface and 829 tonnes (816 long tons) while submerged.[2] She had a total length of 56.80m (186ft 4in), a pressure hull length of 46.66m (153ft 1in), a beam of 5.90m (19ft 4in), a height of 8.25m (27ft 1in), and a draught of 4.84m (15ft 11in). The submarine was powered by two 800 metric horsepower (590kW; 790shp) engines for use while surfaced, and two 800 metric horsepower (590kW; 790shp) engines for use while submerged. She had two propeller shafts. She was capable of operating at depths of up to 50 metres (160ft).[2]
The submarine had a maximum surface speed of 10.6 knots (19.6km/h; 12.2mph) and a maximum submerged speed of 7.9 knots (14.6km/h; 9.1mph).[2] When submerged, she could operate for 83 nautical miles (154km; 96mi) at 4 knots (7.4km/h; 4.6mph); when surfaced, she could travel 5,480 nautical miles (10,150km; 6,310mi) at 7 knots (13km/h; 8.1mph). U-74 was fitted with two 50 centimetres (20in)torpedo tubes (one at the port bow and one starboard stern), four torpedoes, and one 8.8cm (3.5in) SK L/30deck gun. She had a complement of thirty-two (twenty-eight crew members and four officers).[2]
↑ Helgason, Guðmundur. "WWI U-boat commanders: Erwin Weisbach". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 18 January 2015.
↑ Helgason, Guðmundur. "Ships hit by U 74". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 18 January 2015.
Bibliography
Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol.2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN0-85177-593-4.
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