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Tuesday, January 3, 2012

German type 212 submarine wallpapers

U 31 Wittenberge s181 sub

s181 U 31 Wittenberge sub

The German navy Type 212 uboat is one of the most advanced conventional submarine in the world, It is powered by one diesel engine and an electric motor of air-independent propulsion (AIP) system using hydrogen fuel cells. The submarine can operate at high speed on diesel power or switch to the AIP system for silent slow cruising, staying submerged for up to three weeks without surfacing and with no exhaust heat. The sub is also said to be extremely quiet and virtually undetectable,A notable design feature is the prismatic hull cross-section and smoothly faired transitions from the hull to the sail, improving the boat's stealth characteristics.

Displacement: 1'450 tons surfaced
1'830 tons submerged
Length: 56 m
57.2 m (2nd batch)
Beam: 7 m
Draft: 6 m
Propulsion: 1 MTU 16V 396 diesel-engine
9 HDW/Siemens PEM fuel cells, 30-40 kW each (U31)
2 HDW/Siemens PEM fuel cells 120 kW (U32, U33, U34)
1 Siemens Permasyn electric motor 1700 kW, driving a single seven-bladed skewback propeller
Speed: 20 knots (37 km/h) submerged, 12 knots surfaced
14'800 km at 8 knots (15 km/h) surfaced
3 weeks without snorkeling, 12 weeks overall
Test depth: over 700 m
crew: 5 officers, 22 men
weapons: 6 x 533 mm torpedo tubes (in 2 forward pointing groups of 3) with 12 DM2A4, A184 Mod.3, BlackShark torpedoes, IDAS missiles and 24 external naval mines (optional)

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