Mark 21 Mod 0 torpedo

Mark 21 torpedo
Type Anti-surface ship torpedo[1]
Place of origin United States
Service history
In service never in service[1]
Production history
Designer Westinghouse Electric Corporation[1]
Designed 1943[1]
Variants Mark 21 Mod 2 torpedo
Specifications
Weight approx. 2,300 lb (1,000 kg)[1]
Length 161 in (4.1 m)[1]
Diameter 22.5 in (570 mm)[1]

Warhead HBX[1]
Warhead weight 400 lb (180 kg)[1]
Detonation
mechanism
Mark 8 contact exploder[1]

Engine Electric[1]
Speed 25 kn (29 mph; 46 km/h)[1]
Guidance
system
passive acoustic homing[1]
Launch
platform
Aircraft[1]

The Mark 21 torpedo, designated Mark 21 Mod 0 was a passive acoustic homing torpedo designed in 1943 by Westinghouse Electric Corporation. The Mark 21 successfully passed launching tests in 1943, however, due to difficulties encountered by Westinghouse, the project was abandoned after a few development models had been built.[1]

It was based on the widely-used Mark 13 torpedo. Propulsion was switched to electric, but weight restrictions limited the speed available.

See also

  • Mark 21 Mod 2 torpedo, a similar but more successful project, with homing developed by Bell Labs, and using a steam turbine.

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Jolie, E.W. (15 September 1978). "A Brief History of US Navy Torpedo Development: Torpedo Mk21". Retrieved 18 June 2013.

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