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- Q458143 subject Q6816988.
- Q458143 subject Q7035656.
- Q458143 abstract "DM2A4 Seehecht (export designation "SeaHake mod 4" ) is the latest heavyweight torpedo developed by Atlas Elektronik for the German Navy, as a further update of DM2 (Deutsches Modell 2) torpedo which was released in 1976. Being the successor of the DM2A3, it features an advanced electrical propulsion system and a fiber optic cable for torpedo guidance and communication, which, in conjunction with advanced signals processing and mission logic, makes the torpedo largely countermeasure resistant. The DM2A4/SeaHake mod 4 is the first torpedo ever to be guided by a fiber optic wire. With a fully digital system architecture, increased range and speed and its new conformal array sonar with a very wide panoramic sensor angle as well as the additional wake-homing sensor, the DM2A4/SeaHake mod 4 provides greatly advanced performance over its predecessor. The homing head shell is a hydrodynamic optimised parabolic shape which aims to reduce torpedo self-noise and cavitation to an absolute minimum. The homing head's conformal transducer array permits detection angles of +/-100° in the horizontal and +/-24° in the vertical, therefore supporting larger acquisition angles in comparison to traditional flat arrays. The wide angle array is designed to reduce maneuvering when in search and reconnaissance stages, therefore also reducing self-noise and preserving battery power.The weapon has a modular design that includes up to four silver zinc battery modules and is able to achieve a range of more than 50 km (27 nmi) and a speed exceeding 92.6 km/h (50 kn) powered by a high frequency permanent magnet motor, with a closed-loop cooling system independent from the environment. Exact performance data are classified. The torpedo design template may also be used as the basis for ROV. The weapon is armed with a 260 kg PBX, (RDX–aluminium) warhead (equivalent to 460 kg of TNT) with magnetic influence and contact fuzes. The charge and fuse are insensitive and electromagnetic pulse safe.The torpedo is in service with the German Navy Type 212 submarines, has been delivered to the Pakistan Navy for service in the Agosta 90B submarines and has been selected by the Spanish Navy for its new S80A submarines.The weapon has a length of 6.6 m when configured with 4 battery modules, and is respectively shorter when configured with either 3 or 2 battery modules depending upon the requirement of the operating unit. Diameter of the unit is 533 mm.".
- Q458143 diameter "0.533".
- Q458143 length "6.6".
- Q458143 thumbnail DM2A4_operators.png?width=300.
- Q458143 type Q165363.
- Q458143 wikiPageExternalLink www.atlas-elektronik.com.
- Q458143 wikiPageWikiLink Q1194008.
- Q458143 wikiPageWikiLink Q128822.
- Q458143 wikiPageWikiLink Q165363.
- Q458143 wikiPageWikiLink Q170167.
- Q458143 wikiPageWikiLink Q176856.
- Q458143 wikiPageWikiLink Q190020.
- Q458143 wikiPageWikiLink Q197961.
- Q458143 wikiPageWikiLink Q2258261.
- Q458143 wikiPageWikiLink Q3062170.
- Q458143 wikiPageWikiLink Q310512.
- Q458143 wikiPageWikiLink Q3294789.
- Q458143 wikiPageWikiLink Q3640759.
- Q458143 wikiPageWikiLink Q56015.
- Q458143 wikiPageWikiLink Q618465.
- Q458143 wikiPageWikiLink Q64122.
- Q458143 wikiPageWikiLink Q650532.
- Q458143 wikiPageWikiLink Q663.
- Q458143 wikiPageWikiLink Q676404.
- Q458143 wikiPageWikiLink Q6816988.
- Q458143 wikiPageWikiLink Q7035656.
- Q458143 wikiPageWikiLink Q759925.
- Q458143 wikiPageWikiLink Q8059863.
- Q458143 wikiPageWikiLink Q827512.
- Q458143 wikiPageWikiLink Q900791.
- Q458143 wikiPageWikiLink Q913332.
- Q458143 wikiPageWikiLink Q93318.
- Q458143 diameter "533.0".
- Q458143 name "DM2A4".
- Q458143 type "Torpedo".
- Q458143 type Product.
- Q458143 type Device.
- Q458143 type Weapon.
- Q458143 type Thing.
- Q458143 type Q728.
- Q458143 comment "DM2A4 Seehecht (export designation "SeaHake mod 4" ) is the latest heavyweight torpedo developed by Atlas Elektronik for the German Navy, as a further update of DM2 (Deutsches Modell 2) torpedo which was released in 1976. Being the successor of the DM2A3, it features an advanced electrical propulsion system and a fiber optic cable for torpedo guidance and communication, which, in conjunction with advanced signals processing and mission logic, makes the torpedo largely countermeasure resistant.".
- Q458143 label "DM2A4".
- Q458143 depiction DM2A4_operators.png.
- Q458143 name "DM2A4".