| 18 inch Mark XII | |
|---|---|
| Type | Torpedo |
| Place of origin | United Kingdom |
| Service history | |
| In service | 1937-1945 |
| Production history | |
| Designed | 1935 |
| Specifications | |
| Weight | 1,548 lb (702 kg) |
| Length | 16 ft 3 in (4.95 m) |
| Diameter | 17.72 in (450 mm) |
Read more about this topic: British 18 Inch Torpedo | |