Mark 21 Mod 0 torpedo
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]
| 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 | |
| Mass | 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] |
| Maximum speed | 25 kn (29 mph; 46 km/h)[1] |
Guidance system | passive acoustic homing[1] |
Launch platform | Aircraft[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
- Jolie, E.W. (15 September 1978). "A Brief History of US Navy Torpedo Development: Torpedo Mk21". Retrieved 18 June 2013.
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