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MU90 Impact
Type torpedo
Place of origin France and Italy
Service history
Used by Germany, France, Italy, Denmark, Australia and Poland
Production history
Manufacturer EuroTorp
Variants MU90 Hard Kill
Weight 304 kg
Length 2850 mm
Diameter 323.7 mm

Warhead shaped charge warhead
Warhead weight 32.7 kg

Engine electric pump-jet
>10 km at max. speed, >25 km at min. speed
Maximum depth >1000 m
Speed 29 to >50 knots

The MU90/IMPACT is an advanced lightweight anti-submarine torpedo used by navies of Germany, France, Italy, Denmark, Australia and Poland. It is designed to compete with and outperform the US-built Mark 46 in the anti-submarine role, and is also available in a special MU90 Hard Kill version for anti-torpedo defence.[1] It is unclear how it performs compared to the more modern derivatives of the Mark 46 torpedo, specifically the Mark 50 and Mark 54 torpedoes. The MU90 is built by a wide consortium of European companies organised as EuroTorp.

MU90 torpedo launcher aboard F221 Hessen, a Sachsen-class frigate of the German Navy

The MU90 was the end result of separate projects in France and Italy from the 1980s. In France, a project under the direction of Thomson Sintra created the "Murène" in 1989, while in Italy Whitehead started work on an A244 replacement known as the A290. In 1990 the first efforts to merge the two efforts started, an effort that was finalised in 1993 with the formation of EuroTorp.[2]

Among its many features, the MU90 is capable against any current or perceived threat, including a bottomed stationary mini-submarine, known versions of anechoic coatings and various decoys. It is also capable of launch speeds up to 400 knots, allowing it to be dropped from maritime patrol aircraft flying at high speeds, or rocket-assist launchers. Powered by an electric pump-jet, it can be run at "silent" speeds to avoid giving its location away to the submarine, or "dash" at speeds over 50 km/h.[3] It uses a shaped charge warhead that can penetrate any known submarine hull, especially Soviet double hull designs, while remaining just as deadly in shallow waters where conventional warheads are less effective.




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