| Mark 33 torpedo | |
| Origin: | United States |
| Type: | Acoustic torpedo[1] |
| Is Ranged: | yes |
| Is Explosive: | yes |
| Is Missile: | yes |
| Service: | never in service |
| Designer: | Bureau of Ordnance General Electric Exide |
| Design Date: | 1943 |
| Number: | 30 |
| Weight: | 1795 pounds |
| Length: | 156 inches |
| Diameter: | 21 inches |
| Range: | 5000-19,000 yards |
| Filling: | HBX |
| Filling Weight: | 500 pounds |
| Engine: | Electric |
| Speed: | 12.5-18.5 knots |
| Guidance: | Gyroscope |
| Launch Platform: | Submarines and aircraft |
The Mark 33 torpedo was the first passive acoustic antisurface ship/antisubmarine homing torpedo intended for the United States Navy to employ a cast aluminum shell. It featured two speeds - high and low, and was meant to be launched from submarines and aircraft.[1]
Production of the Mark 33 was discontinued at the end of World War II, but its features were incorporated into the Mark 35 torpedo.