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  2. German Type UC II submarine - Wikipedia

    en.wikipedia.org/wiki/German_Type_UC_II_submarine

    Type UC II minelaying submarines were used by the Imperial German Navy during World War I. They displaced 417 tons, carried guns, 7 torpedoes and up to 18 mines. The ships were double-hulled with improved range and seakeeping compared to the UC I type. If judged only by the numbers of enemy vessels destroyed, the UC II is the most successful ...

  3. German Type UC I submarine - Wikipedia

    en.wikipedia.org/wiki/German_Type_UC_I_submarine

    14 men. Armament. 6 × 1 metre (39 in) internal tubes. The Type UC I coastal submarines were a class of small minelaying U-boats built in Germany during the early part of World War I. They were the first operational minelaying submarines in the world (although the Russian submarine Krab was laid down earlier). A total of fifteen boats were built.

  4. List of German U-boats in World War II (1-599) - Wikipedia

    en.wikipedia.org/wiki/List_of_German_U-boats_in...

    The German military submarines known as U-boats that were in action during World War II were built between 1935 and 1944, and were numbered in sequence from U-1 upwards. . Numbering was according to the sequence in which construction orders were allocated to the individual shipyards, rather than commissioning date; thus some boats carrying high numbers were commissioned well before boats with ...

  5. German submarine U-3 (1935) - Wikipedia

    en.wikipedia.org/wiki/German_submarine_U-3_(1935)

    12 – 19 April 1940. Victories: 2 merchant ships sunk. (2,348 GRT) German submarine U-3 was a Type IIA U-boat laid down at the Deutsche Werke in Kiel on 11 February 1935 as yard number 238. She was commissioned into the Kriegsmarine on 6 August 1936 under the command of Oberleutnant zur See (Oblt.z.S.) Hans Meckel.

  6. German submarine U-1 (1935) - Wikipedia

    en.wikipedia.org/wiki/German_submarine_U-1_(1935)

    None. German submarine U-1 was the first U-boat (or submarine) built for Nazi Germany 's Kriegsmarine following Adolf Hitler 's abrogation of the terms of the Treaty of Versailles in 1935, which banned Germany possessing a submarine force. A Type IIA U-boat, she was built at the Deutsche Werke shipyards in Kiel, yard number 236, her keel being ...

  7. Google Classroom - Wikipedia

    en.wikipedia.org/wiki/Google_Classroom

    Google Classroom is a free blended learning platform developed by Google for educational institutions that aims to simplify creating, distributing, and grading assignments. The primary purpose of Google Classroom is to streamline the process of sharing files between teachers and students. [3] As of 2021, approximately 150 million users use ...

  8. Pfaffian constraint - Wikipedia

    en.wikipedia.org/wiki/Pfaffian_constraint

    Robotics. In robot motion planning, a Pfaffian constraint is a set of k linearly independent constraints linear in velocity, i.e., of the form. One source of Pfaffian constraints is rolling without slipping in wheeled robots. [2]

  9. German submarine U-1 - Wikipedia

    en.wikipedia.org/wiki/German_submarine_U-1

    SM UC-1, a Type UC I submarine launched in 1915 and sunk in July 1917. German submarine U-1 (1935), a Type IIA submarine that served in the Second World War and was sunk in April 1940. German submarine U-1 (1961), a Type 201 submarine of the Bundesmarine, launched in 1961 and scrapped in 1967. German submarine U-1 (1967), a Type 205 submarine ...