German submarine U-3502
German submarine U-3502 was a Type XXI U-boat of Nazi Germany's Kriegsmarine, built for service in World War II. She was ordered on 6 November 1943, and was laid down on 16 April 1944 at F Schichau GmbH, Danzig, as yard number 1647. She was launched on 6 July 1944, and commissioned under the command of Oberleutnant zur See Hermann Schultz on 19 August 1944.
Design
Like all Type XXI U-boats, U-3502 had a displacement of when at the surface and while submerged. She had a total length of, a beam of, and a draught of. The submarine was powered by two MAN SE supercharged six-cylinder M6V40/46KBB diesel engines each providing, two Siemens-Schuckert GU365/30 double-acting electric motors each providing, and two Siemens-Schuckert silent running GV232/28 electric motors each providing.The submarine had a maximum surface speed of and a submerged speed of. When running on silent motors the boat could operate at a speed of. When submerged, the boat could operate at for ; when surfaced, she could travel at. U-3502 was fitted with six torpedo tubes in the bow and four C/30 anti-aircraft guns. She could carry twenty-three torpedoes or seventeen torpedoes and twelve mines. The complement was five officers and fifty-two men.