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German submarine U-21 (1936)

German submarine U-21 was a Type IIB U-boat of Nazi Germany's Kriegsmarine. [1]

33 relations: Bernard & Graefe, Berwick-upon-Tweed, Captain lieutenant, Diesel engine, Drive shaft, Electric motor, Firth of Forth, Friedrich Krupp Germaniawerft, German Type II submarine, Gross register tonnage, Hans-Heinrich Döhler, Kiel, Kriegsmarine, Kristiansand, Leutnant zur See, Moray Firth, MWM GmbH, Nazi Germany, North Sea, Oberleutnant zur See, Peterhead, Royal Navy, Siemens-Schuckert, Torpedo, Torpedo tube, Training ship, U-boat, World War II, 1st U-boat Flotilla, 2 cm Flak 30/38/Flakvierling, 21st U-boat Flotilla, 30th U-boat Flotilla, 3rd U-boat Flotilla.

Bernard & Graefe

Bernard & Graefe is a German book publisher, which since 1991 has been part of the Mönch publishing group.

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Berwick-upon-Tweed

Berwick-upon-Tweed is a town in the county of Northumberland and is the northernmost town in England, on the east coast at the mouth of the River Tweed.

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Captain lieutenant

Captain lieutenant or captain-lieutenant is a military rank, used in a number of navies worldwide and formerly in the British Army.

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Diesel engine

The diesel engine (also known as a compression-ignition or 'CI' engine) is an internal combustion engine in which ignition of the fuel that has been injected into the combustion chamber is initiated by the high temperature which a gas achieves when greatly compressed (adiabatic compression).

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Drive shaft

A drive shaft, driveshaft, driving shaft, propeller shaft (prop shaft), or Cardan shaft is a mechanical component for transmitting torque and rotation, usually used to connect other components of a drive train that cannot be connected directly because of distance or the need to allow for relative movement between them.

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Electric motor

An electric motor is an electrical machine that converts electrical energy into mechanical energy.

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Firth of Forth

The Firth of Forth (Scottish Gaelic: Linne Foirthe) is the estuary or firth of Scotland's River Forth, where it flows into the North Sea, between Fife to the north and Lothian to the south.

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Friedrich Krupp Germaniawerft

Friedrich Krupp Germaniawerft (often just called Germaniawerft, "Germania shipyard") was a German shipbuilding company, located in the harbour at Kiel, and one of the largest and most important builders of U-boats for the Kaiserliche Marine in World War I and the Kriegsmarine in World War II.

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German Type II submarine

The Type II U-boat was designed by Germany as a coastal U-boat, modeled after the CV-707 submarine, which was designed by the Dutch dummy company NV Ingenieurskantoor voor Scheepsbouw den Haag (I.v.S) (set up by Germany after World War I in order to maintain and develop German submarine technology and to circumvent the limitations set by the Treaty of Versailles) and built in 1933 by the Finnish Crichton-Vulcan shipyard in Turku, Finland.

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Gross register tonnage

Gross register tonnage (GRT, grt, g.r.t.) a ship's total internal volume expressed in "register tons", each of which is equal to.

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Hans-Heinrich Döhler

Hans-Heinrich Döhler (5 December 1917 – 22 February 1943) was a German U-boat commander in World War II.

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Kiel

Kiel is the capital and most populous city in the northern German state of Schleswig-Holstein, with a population of 240,832 (June 2014).

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Kriegsmarine

The Kriegsmarine (War Navy) was the navy of Nazi Germany from 1935 to 1945.

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Kristiansand

Kristiansand is a city, municipality and the county capital of Vest-Agder county in Southern Norway.

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Leutnant zur See

Leutnant zur See (Lt zS or LZS) is the lowest officer rank in the German Navy.

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Moray Firth

The Moray Firth (Scottish Gaelic: An Cuan Moireach, Linne Mhoireibh or Caolas Mhoireibh) is a roughly triangular inlet (or firth) of the North Sea, north and east of Inverness, which is in the Highland council area of north of Scotland.

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MWM GmbH

The Caterpillar Energy Solutions GmbH (formerly known as MWM, DEUTZ Power Systems or DPS) is a mechanical engineering company, based in Mannheim.

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Nazi Germany

Nazi Germany or the Third Reich (Drittes Reich) are common English names for the period of history in Germany from 1933 to 1945, when it was a dictatorship under the control of Adolf Hitler and the Nazi Party (NSDAP).

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North Sea

The North Sea is a marginal sea of the Atlantic Ocean located between Great Britain, Scandinavia, Germany, the Netherlands, Belgium, and France.

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Oberleutnant zur See

Oberleutnant zur See (OLt zS or OLZS in the German Navy, Oblt.z.S. in the Kriegsmarine) is traditionally the first and highest Lieutenant grade in the German Navy.

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Peterhead

Peterhead (Ceann Phàdraig, Peterheid) is a town in Aberdeenshire, Scotland.

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Royal Navy

The Royal Navy (RN) is the United Kingdom's principal naval warfare force.

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Siemens-Schuckert

Siemens-Schuckert (or Siemens-Schuckertwerke) was a German electrical engineering company headquartered in Berlin, Erlangen and Nuremberg that was incorporated into the Siemens AG in 1966.

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Torpedo

The modern torpedo is a self-propelled weapon with an explosive warhead, launched above or below the water surface, propelled underwater towards a target, and designed to detonate either on contact with its target or in proximity to it.

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Torpedo tube

A torpedo tube is a cylinder shaped device for launching torpedoes.

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Training ship

A training ship is a ship used to train students as sailors.

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U-boat

U-boat is the anglicised version of the German word U-Boot, a shortening of Unterseeboot, literally "undersea boat".

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World War II

World War II (WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, though related conflicts began earlier.

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1st U-boat Flotilla

The 1st U-boat flotilla (German 1. Unterseebootsflottille) also known as the Weddigen flotilla, was the first operational U-boat unit in Nazi Germany's Kriegsmarine (navy).

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2 cm Flak 30/38/Flakvierling

The Flak 30 (Flugabwehrkanone 30) and improved Flak 38 were 20 mm anti-aircraft guns used by various German forces throughout World War II.

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21st U-boat Flotilla

21st U-boat Flotilla ("21. Unterseebootsflottille") was a unit of Nazi Germany's Kriegsmarine before and during World War II.

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30th U-boat Flotilla

30th U-boat Flotilla ("30. Unterseebootsflottille") of Nazi Germany's Kriegsmarine was formed in October 1942.

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3rd U-boat Flotilla

The 3rd U-boat Flotilla (German 3. Unterseebootsflottille), also known as Lohs Flotilla, was the third operational U-boat unit in Nazi Germany's Kriegsmarine.

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References

[1] https://en.wikipedia.org/wiki/German_submarine_U-21_(1936)

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