Sunday, January 4, 2009

Bremen class frigate wallpaper

F122 Bremen class frigates of the German Navy have been commissioned between 1982 and 1990. The design is similar to the Dutch Kortenaer class but uses a different hull and propulsion system. The ships were built for anti-submarine warfare as primary task even though they are not fitted with towed array sonars. They are also suited for anti-aircraft warfare and anti-surface warfare.
Displacement: 3,680 tonnes
Length: 130.50m
Beam: 14.60m
Draft: 6.30m
Propulsion: CODOG (Combined diesel or gas)
2 MTU 20V956 TB92 diesel engines, 8.14 MW total
2 General Electric LM2500 gas turbines, 38 MW total
2 Renk STG 150-50 gearboxes, 10:1 (diesel) and 720:47 (turbine)
2 propeller shafts, controllable pitch, five bladed Sulzer-Escher propellerss, later replaced with seven bladed ones from Wegemann & Co ("Bremen" only)
4 Deutz MWM diesel-generators, 750kW
Speed: 30 knots
Range: more than 4,000 nautical miles (7,000 km) at 18 knots
Complement: 202 crew plus 20 aviation
Sensors and
processing systems: 1 EADS TRS-3D air search radar (three dimensional)
1 WM 25 combined surface search and fire control radar I/J band
1 Thales Nederland STIR 180 fire-control radar I/J/K band
1 Kelvin Hughes Nucleus 5000 I band navigation radar
1 STN Atlas DSQS-23BZ hull-mounted sonar
Electronic warfare
and decoys: ESM/ECM EADS FL 1800S
2 SCLAR decoys
SLQ-25 Nixie torpedo decoy
Armament: 1 8 cell launch system, 16 Sea Sparrow surface to air missiles
2 MK 49 launcher, 21 RAM each
2 quadruple Harpoon anti-ship missile launchers
1 OTO-Melara 76 mm dual-purpose gun
2 Rheinmetall Rh202 20 mm autocannons, will be replaced with Mauser MLG27 27 mm autocannons.
2 Mark 32 324 mm twin torpedo launchers, 8 DM4A1 or Mark 46 torpedo
Aircraft carried: Place for 2 Sea Lynx Mk.88A helicopters equipped with torpedoes, air-to-surface missiles Sea Skua, and/or heavy machine gun.


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