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Posted - 2007.12.03 20:21:00 -
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There is also a Swedish ship called the Visby.
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Stealth ship
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HMS Helsingborg, one of the Swedish Navy's Visby class corvettes.
French frigate Surcouf (La Fayette class)
Dutch frigate HNLMS Evertsen (F805) (Zeven Provincidn class)
German Braunschweig class corvette (F 261)
Type 45 AAW Destroyer
Artist's conception of the USS Zumwalt, the lead ship of the planned Zumwalt class of destroyer for the U.S. Navy
Sloped surface features visible in this frontal view of the Hamburg, a Sachsen class frigate of the German NavyA stealth ship is a ship which employs stealth technology construction techniques in an effort to ensure that it is harder to detect by one or more of radar, visual, sonar, and infrared methods. These techniques borrow from stealth aircraft technology, although some aspects such as wake and acoustic signature reduction are unique to stealth ships' design.
Reduction of radar cross section, visibility and noise is not unique to stealth ships, with visual masking employed for over two centuries and RCS reduction tracing back to American and Soviet ships of the Cold War. One common feature is the inward-sloping tumblehome hull design that significantly reduces the radar cross-section.
Several surface vessels employ stealth technology, amongst them the Swedish Visby class corvette, the Dutch Zeven Provincidn class frigate, the Norwegian Skjold class patrol boat, the French La Fayette class frigate, the German MEKO ships Braunschweig class corvette and Sachsen class frigates, the Indian Shivalik class frigate, the Singaporean Formidable class frigate the British Type 45 destroyer, and the U.S. Navy's Zumwalt-class destroyer.
The Visby was the first stealth ship to enter service, and is designed to elude visual detection, radar detection, acoustic detection, and infrared detection. Its surface is constructed from a carbon fibre reinforced plastic[1]. Avoidance of right angles in the design results in a smaller radar signature, reducing the ship's detection range.
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