Type XXI submarines were a class of German diesel–electric Elektroboot (German: "electric boat") submarines designed during the Second World War. One hundred and eighteen were completed, with four being combat-ready.

2017年7月11日 · Of most interest to the U.S. Navy was a submarine capable of operating submerged continuously for days on end—the Type XXI U-boat. Americans had known of its existence for nearly two years, after the British had passed along sketchy intelligence about a “fast submarine.”

Read about the Elektro boat development. Below you can see the 118 commissioned U-boats of this type. U-3523, U-3524, U-3525, U-3526, U-3527, U-3528, U-3529, and U-3530. oa = overall, hp = horsepower.

The first true submarine, the German Type XXI U-boat of WW2. History , development, service, specifications, statistics, pictures, and model. New Type XXI submarine in front of the shipyard of Blohm & Voss.

Development history, specification, combat service and photos of the revolutionary Elektroboat - Type XXI U-boat.

2018年1月8日 · Page details technical specifications, development, operational history of the Type XXI U-Boat Diesel-Electric Attack Submarine including pictures.

This type was called “Big Elelectric Boat”, a true submarine with a threefold battery capacity compared to standard U-boat types, a streamlined hull. The pressure hull had a profile formed like an eight with an upper diameter of 5.3 m and a lower diameter of 3.5 m.

The Type XXI U-boat Marcus O. Jones Dr. Jones is associate professor of German economic and military history at the U.S. Naval Academy. He is the author of a study of German industry and oc-cupation policy in World War II, as well as of articles on Bismarckian strategic policy and the U-boat cam - paigns of both world wars. Dr. Jones earned his PhD

The first type XXI boat on active service U-2511 left the Bay of Danzig on 30 January 1945, where she had completed working up exercises, including extensive trials of new equipment. She then returned to the shipyard for some remaining work to be finished.

The Type XXI U-boat had an extremely streamlined hull design which allowed for very high underwater speed, which gave this class of U-boat the ability to outrun many surface ships while underwater, combined with much improved dive times, made it …