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Rolls-Royce Stealth System Begins Testing

Posted on August 29, 2005

According to Rolls-Royce, the United States Navy's Office of Naval Research has unveiled its new advanced electric-ship demonstrator ship, Sea Jet. The ship will test Rolls-Royce patented AWJ-21 waterjet technology over the next six months on Lake Pend Oreille at the Navy’s Acoustic Research Department in Bayview, Idaho, U.S.A. The AWJ-21 is designed to increase ship speed, making hulls sleeker by working without rudders, shafts and propeller struts. Unlike conventional waterjets, the system works completely underwater, reducing noise and surface wake and improving stealth. The lightweight and compact AWJ-21 allows ships to operate in shallow waters and its integrated steering and reversing system improves manoeuvrability at low speeds, according to Rolls-Royce.

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