Type U 23 submarine

Type U '23' was a class of U-boats built during World War I by the Kaiserliche Marine. Four Boats were ordered from Germaniawerft on 18 March 1911.

Design

Type U 23s had an overall length of The boats' beam was, the draught was. The boats displaced when surfaced and when submerged.
Type U 23s were fitted with two Germaniawerft 6-cylinder two-stroke diesel engines with a total of for use on the surface and two SSW double-acting electric motors with a total of for underwater use. These engines powered two shafts, which gave the boats a top surface speed of, and when submerged. Cruising range was at on the surface and at submerged. Constructional diving depth was.
The U-boats were armed with four torpedo tubes, two fitted in the bow and two in the stern, and carried six torpedoes. All boats received one SK L/30 deck gun. The boats' complement was 4 officers and 31 enlisted.