''Schwertwal'' (German for

Orca The orca or killer whale (''Orcinus orca'') is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is the only extant species in the genus '' Orcinus'' and is recognizable by its black-and-white ...

, lit. "Sword Whale") was a

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

miniature submarine design that reached the trial stage in late April 1945. It had a crew of two and was designed to have a high subsurface speed of around 20 knots. The high speed was archived by the use of a Walther turbine. The submarine carried an

armament A weapon, arm or armament is any implement or device that can be used to deter, threaten, inflict physical damage, harm, or kill. Weapons are used to increase the efficacy and efficiency of activities such as hunting, crime, law enforcement, s ...

of two

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

es. The submarine lacked a

periscope A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. In its simplest form, it consists of an outer case with ...

and the pilot viewed the outside world through an acrylic glass dome. The prototype was scuttled at the end of

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

but was raised by the

British Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against Fr ...

and examined before being scrapped.

Further developments

Design work for an even faster version began but the plans never left the drawing board.Kemp, p. 192

Notes

References

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External links

Photo at uboat.net
{{Kriegsmarine midget submarines Midget submarines World War II submarines of Germany