The Mark 28 torpedo was a submarine-launched, acoustic homing torpedo designed by Westinghouse Electric in 1944 for the United States Navy. The torpedo used all-electric controls. Service use of the Mark 28 ended after the introduction of the Mark 37 torpedo.[1]
| Mark 28 torpedo | |
|---|---|
| Type | Acoustic torpedo[1] |
| Place of origin | United States |
| Service history | |
| In service | 1944–1960 |
| Used by | United States Navy |
| Wars | World War II |
| Production history | |
| Designer | Westinghouse Electric[1] |
| Designed | 1944[1] |
| Manufacturer | Westinghouse Electric |
| Produced | 1944–1952 |
| No. built | 1750[1] |
| Specifications | |
| Mass | 2800 pounds[1] |
| Length | 246 inches[1] |
| Diameter | 21 inches[1] |
| Effective firing range | 4000 yards (6 minutes search duration)[1] |
| Warhead | Mk 28 Mod 2, HBX[1] |
| Warhead weight | 585 pounds[1] |
Detonation mechanism | Mk 14 Mod 2 contact exploder |
| Engine | Electric[1] |
| Maximum speed | 19.6 knots[1] |
Guidance system | Gyroscope[1] |
Launch platform | Submarines[1] |