MK 46 LIGHTWEIGHT TORPEDO 3D model

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The Mark 46 torpedo is the backbone of the United States Navy's lightweight anti-submarine warfare torpedo inventory, and is the current NATO standard. These aerial torpedoes are designed to attack high-performance submarines, and current variants, such as the Mark 46 Mod 5, are expected to remain in service until the year 2015. In 1989, a major upgrade program for the Mod 5 began to improve its shallow-water performance, resulting in the Mod 5A and Mod 5A(S). Primary Function: Air and ship-launched lightweight torpedo Contractor: Alliant Techsystems Power Plant: Two-speed, reciprocating external combustion; Mono-propellant (Otto fuel II) Length: 8 ft 6 in (2.59 m) tube launch configuration (from ship),[4] 14 ft 9 in (4.5 m) with ASROC rocket booster Weight: 508 lb (231 kg)[3] (warshot configuration) Diameter: 12.75 in (324 mm) Range: 12,000 yd (11 km) Depth: > 1,200 ft (365 m) Speed: > 40 knots (46 mph, 74 km/h) Guidance System: Homing mode: Active or passive/active acoustic homing Launch/search mode: Snake or circle search Warhead: 96.8 lb (44 kg)[3] of PBXN-103 high explosive (bulk charge) Date Deployed: 1967 (Mod 0);[3] 1979 (Mod 5)