In Could 2018, Hellenic Navy launched a Request For Info letter (RFI), asking varied corporations for buying 533mm heavy torpedoes for its 4 Sort 214 Papanikolis submarines plus one up to date Sort 209 AIP Okeanos. In October 2020, DM2A4 was chosen as the popular answer, with a program consisting of 36 DM2A4, plus refurbishing of a number of older SUT Mod0 to Mod4 commonplace, plus additional batteries for older SST torpedoes / SUT Mod0 torpedoes, with a complete value of 105m euro. In September 2021, the contract was modified, with a program consisting of 44 DM2A4, with out refurbishment of a number of older SUT Mod0 to Mod4 commonplace, plus additional batteries for older SST torpedoes / SUT Mod0 torpedoes, with a complete value of 110m euro.
German Atlas Elektronik was awarded a GDAEE (Greek Directorate-Normal for Protection Expertise and Funding) contract for the modernization of the torpedo potential of the Hellenic Navy. The modernization consists of the provision and supporting function of latest torpedo submarines of the Greek navy. Specifically, the supply of 44 fashionable DM-2A4 Seehecht torpedoes (export designation “SeaHake mod 4”) was permitted at a complete value of almost €112 million ($ 121 million). The SeaHake mod4 has a 21-inch (533 millimeters) commonplace caliber used for Heavyweight Torpedoes worldwide. It’s able to each frequent launching technique comparable to swim-out, push-out, water steam, or ram. If Greece had accepted the German provide, then the supply of 51 Black Sharks would have value greater than the supply of German DM-2A4 torpedoes [€130,000,000 vs. €98,000,000]. Thus, the Greek submarines of the Navy lastly acquired fashionable torpedoes, referring to bulgarianmilitary.com.
Commercial
DM2A4 Seehecht (SeaHake mod 4) is the most recent heavyweight torpedo developed by Atlas Elektronik for the German Navy, as an extra replace of the DM2 (Deutsches Modell 2) torpedo which was launched in 1976. Being the successor of the DM2A3, it options a sophisticated electrical propulsion system and a fiber optic cable for torpedo steerage and communication, which, together with superior alerts processing and mission logic, makes the torpedo largely countermeasure resistant. The DM2A4/SeaHake mod 4 is the primary torpedo ever to be guided by a fiber optic wire. With a totally digital system structure, elevated vary and velocity, and its new conformal array sonar with a really broad panoramic sensor angle in addition to the extra wake homing sensor, the DM2A4/SeaHake mod 4 gives tremendously superior efficiency over its predecessor.
The homing headshell is a hydrodynamic optimized parabolic form that goals to scale back torpedo self-noise and cavitation to an absolute minimal. The homing head’s conformal transducer array permits detection angles of +/-100° within the horizontal and +/-24° within the vertical, due to this fact supporting bigger acquisition angles compared to conventional flat arrays. The wide-angle array is designed to scale back maneuvering when in search and reconnaissance phases, due to this fact additionally decreasing self-noise and preserving battery energy. The weapon has a modular design that features as much as 4 silver-zinc battery modules and may obtain a spread of greater than 50 km (27 mi) and a velocity exceeding 92.6 km/h (50 kn) powered by a high-frequency everlasting magnet motor, with a closed-loop cooling system impartial from the atmosphere.
