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Military


MK-46 Torpedo


Specifications
Primary Function Air and ship-launched lightweight torpedo
Contractor Alliant Techsystems
Power Plant Two-speed, reciprocating external combustion;
Mono-propellant (Otto fuel II) fueled
Length 102.36 in. tube launch configuration (from ship)
Weight 517.65 lbs (warshot configuration)
Diameter 12.75 inches
RangeOfficially "8,000 yards"
Reportedly 11,400 - 12,000 yd. at 45 kt.
Weapon acquisition range 1600 yards
Min/Max ASROC launching ranges 1500 to 12000 yards
DepthOfficially "Greater than 1,200 ft (365 meters)"
Reportedly 1,500 ft.
Search/attack depth settings Minimum 20 yards
Maximum 1500 yards
Speed Greater than 28 knots (32.2 mph, 51.52 kph)
Reportedly 45 kt
Actual 45 knots
Run characteristics 6-8 minutes
clockwise
Guidance System Homing mode - Active or passive/active acoustic homing
Launch/search mode - Snake or circle search
Warhead 98 lbs. of PBXN-103 high explosive (bulk charge)
Date Deployed 1966 (Mod 0); 1979 (Mod 5)




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