Type U 27 submarine

Type U 27 was a class of U-boats built before World War I by the Kaiserliche Marine. The four Type U 27 U-boats were ordered on 12 February 1912. They were very similar to the preceding Type U 19 and Type U 23.

Design

Type U 27s had an overall length of The boats' beam was, the draught was, with a total height of. The boats displaced when surfaced and when submerged.
Type U 27s were fitted with two MAN 6-cylinder four-stroke diesel engines with a total of for use on the surface and two AEG 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 initially one or two SK L/30 deck guns. U-30 had its sole deck gun replaced in 1916 with a SK L/45 gun. The boats' complement was 4 officers and 31 enlisted.