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Mark 33 torpedo
Type Acoustic torpedo[1]
Place of origin United States
Service history
In service never in service
Production history
Designer Bureau of Ordnance[1]
General Electric
Designed 1943[1]
Number built 30[1]
Weight 1795 pounds[1]
Length 156 inches[1]
Diameter 21 inches[1]

Effective range 5000-19,000 yards[1]
Warhead HBX[1]
Warhead weight 500 pounds[1]

Engine Electric[1]
Speed 12.5-18.5 knots[1]
Submarines and aircraft[1]

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.

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