The US Navy's Office of Naval
Research unveiled its new advanced electric-ship demonstrator ship, SEA
JET, for the first time.
The ship will test Rolls-Royce patented AWJ-21(TM) waterjet technology
over the next six months on Lake Pend Oreille at the Navy's Acoustic Research
Department in Bayview, Idaho.
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. Its integrated steering and reversing system improves maneuverability
at low speeds.
Pat Marolda, Rolls-Royce President -- Naval, said: "This is a significant
milestone in our development of an advanced waterjet technology which offers
new parameters in performance, bringing real benefits to the US Navy."