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Industry News
Goodrich delivers first composite sail cusp for Virginia Class submarines

The composite sail cusp, manufactured at Goodrich's Engineered Polymer Products facility in Jacksonville, Fla., was delivered to Newport News Shipbuilding, a division of Huntington Ingalls Industries.

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Posted on: 5/4/2012
Source: CompositesWorld

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Goodrich Corp. (Charlotte, N.C., USA) announced on May 2 that it recently delivered its first composite sail cusp to Newport News Shipbuilding (NNS), a division of Huntington Ingalls Industries. Goodrich is under contract to manufacture lightweight, composite sail cusps for the next eight Virginia Class nuclear fast-attack submarines, collectively referred to as Block III. Fabrication of all eight sail cusps will occur at Goodrich's Engineered Polymer Products (EPP) facility in Jacksonville, Fla., USA.

The sail cusp is a single-piece composite fairing attached to the hull and lower leading edge of the submarine sail, the vertical fin on top of the hull. The complex, double-curvature shape of this lightweight structure allows for smooth laminar flow of water over its surface, thereby improving hydrodynamic performance of the submarine.

"This delivery represents the first production composite sail cusp that is a lightweight, low-maintenance alternative to steel that helps reduce the acquisition cost for Virginia Class submarines," says Marc Duvall, president, Goodrich Aerostructures. "Our engineering and manufacturing teams worked closely together throughout the production cycle to ensure on-time delivery."

The Virginia Class submarine is the U.S. Navy's newest nuclear fast-attack submarine class. It was designed from the keel up for the full range of mission requirements in the post-Cold War era, including anti-submarine and surface ship warfare; delivering special operation forces; strike; intelligence, surveillance and reconnaissance; irregular warfare; and mine warfare.

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