Mark 20 torpedo

The Mark 20 torpedo was a US torpedo designed in 1943 but never used in service.

Mark 20 torpedo
TypeAnti-surface ship torpedo[1]
Place of originUnited States
Service history
In servicenever in service[1]
Production history
DesignerNaval Torpedo Station Newport[1]
Electric Storage Battery Company
General Electric
Designed1943[1]
ManufacturerGeneral Electric
No. built20[1]
Specifications
Massapprox. 3100 pounds[1]
Length246 inches[1]
Diameter21 inches[1]

Effective firing range3500 yards[1]
WarheadMk 20, TNT[1]
Warhead weight500 pounds[1]
Detonation
mechanism
none assigned[1]

EngineElectric[1]
Maximum speed 33 knots[1]
Guidance
system
Gyroscope[1]
Launch
platform
Submarines[1]

Design was by Naval Torpedo Station Newport, the Electric Storage Battery Company and General Electric. This project was a continuation of the development of a submarine-launched, anti-surface ship torpedo originally designated Mark 2 in 1941 which was the second attempt to develop a torpedo of this type. The earlier effort, designated Mark 1, in post-World War I years (1919–1931), was terminated after the torpedo produced proved unsatisfactory in speed and range.[1]

The Mark 20 never progressed beyond the development stage due to the success of the Mark 18 torpedo, however, 20 units were produced by General Electric for testing purposes.

See also

  • American 21 inch torpedo

References

  1. "Torpedo History: Torpedo Mk20". Retrieved 18 June 2013.

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