Swedish corvette is engineered for stealth

By Edward Lundquist at December 22, 2010 05:18
Filed Under: Navy insights
Swedish corvette is engineered for stealth By Edward Lundquist The Swedish corvette Visby is stealthily to the core, right down to the all-composite shaft.  From the carbon fiber hull and radar absor­bent coating to the enclosed gun mount, flush antennas and telescoping mast, this ship has extremely low signatures.  The camouflaged appearance is hard to see, and the engine exhaust being ducted into the water jets reduces the infrared signature (the engine exhaust mixed with the water does create a visible vapor “exhaust”).  The machinery sits on vibration isolation mounts, and non-magnetic materials are used throughout. Despite this unique approach to warship design, Lt. Cmdr. Bjorn Spangberg of the Royal Swedish Navy’s Third Naval Warfare Flotilla doesn’t see a downside.  Spangberg is head of Trials Unit Visby technical division with the Third Naval Warfare Flotilla, and before that was aboard the Visby class as chief engineer. ... [More]

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