Page 11: of Maritime Reporter Magazine (September 2005)

September 2005 11

The Office of Naval Research chris- tened the Advanced Electric Ship

Demonstrator (AESD) — dubbed Sea

Jet — on August 24, 2005, at the Naval

Surface Warfare Center Carderock

Division, Acoustic Research

Detachment in Bayview, Idaho.

Chief of Naval Research Rear Admiral

Jay M. Cohen delivered the principle address at the christening. The ship's sponsor is Kathleen Harper, wife of

Thurman Harper, vice president of engineering for Rolls-Royce Naval

Marine, Inc.

The 133-ft. (40-ft.) vessel will serve as a model representing a destroyer-size surface ship and will be launched on

Lake Pend Oreille, Idaho, where it will be used for test and demonstration of various technologies. An underwater discharge waterjet from Rolls-Royce

Naval Marine, Inc., called AWJ-21, will be among the first technologies tested. It allows vessels to operate in shallow water with increased maneuverability and stealth.

Following demonstration of the AWJ- 21, the RIMJET propulsor from General

Dynamics Electric Boat will be installed in Sea Jet for evaluation.

The RIMJET is a novel type of podded propulsion system that relies on a per- manent magnet motor to drive the pro- pellor.

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ONR Christens Advanced Electric Ship Demonstrator

The Advanced Electric Ship Demonstrator (AESD), Sea Jet, funded by the Office of Naval

Research (ONR), is a 133-ft. vessel located at the Naval Surface Warfare Center Carderock

Division, Acoustic Research Detachment in

Bayview, Idaho. Sea Jet will operate on Lake

Pend Oreille, where it will be used to test and demonstrate of various technologies. Among the first technologies tested will be an underwa- ter discharge waterjet from Rolls-Royce Naval

Marine, Inc., called AWJ-21; a propulsion con- cept with the goals of providing increased propulsive effiency, reduced acoustic signature, and improved maneuverability over previous

Destroyer Class combatants.

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