The Advanced Electric Ship Demonstrator (AESD), Sea Jet, funded by the Office of Naval Research (ONR), is a 133-foot vessel located at the Naval Surface Warfare Center Carderock Division

Naval Surface Warfare Center Carderock Division

The Carderock Division of the Naval Surface Warfare Center, located in Potomac, Maryland, specializes in ship acoustics and stealth technology. Another area of focus is hydromechanics....

, Acoustic Research Detachment in Bayview, Idaho. Sea Jet was operated on Lake Pend Oreille, where it was used for test and demonstration of various technologies. Among the first technologies tested was an underwater discharge water jet from Rolls-Royce

Rolls-Royce plc

Rolls-Royce Group plc is a global power systems company headquartered in the City of Westminster, London, United Kingdom. It is the world’s second-largest maker of aircraft engines , and also has major businesses in the marine propulsion and energy sectors. Through its defence-related activities...

 Naval Marine, Inc., called AWJ-21, a propulsion concept with the goals of providing increased propulsive efficiency, reduced acoustic signature, and improved maneuverability over previous Destroyer Class combatants.

The Sea Jet demonstrates a few technologies that will be integrated into the Zumwalt class destroyer

Zumwalt class destroyer

The Zumwalt class destroyer is a planned class of United States Navy destroyers, designed as multi-mission ships with a focus on land attack. The class is a scaled-back project that emerged after funding cuts to the larger DD-21 vessel program. The program was previously known as the "DD"...

. Notable among these is the return of the tumblehome

Tumblehome

In ship designing, the tumblehome is the narrowing of a ship's hull with greater distance above the water-line. Expressed more technically, it is present when the beam at the uppermost deck is less than the maximum beam of the vessel....

hull design.

External links

• Sea Jet Advanced Electric Ship Demonstrator (AESD)