SWATH gets smarter

The Ghost prototype uses traction propellers at its bows The Ghost prototype uses traction propellers at its bows

US-based marine technology company Juliet Marine Systems, claims it has solved the technical challenge of controlling small waterplane area twin hull (SWATH) vessels at high speed.

The company says its Ghost demonstration vessel has shown the ability to safely and smoothly transport personnel and payloads through heavy seas at over 30 knots. These capabilities protect personnel and improve their ability to function in challenging missions. With Ghost, JMS says it will raise the bar for patrol boat capability.  

JMS says it has ‘perfected patented SWATH control and is refining active drag reduction technologies that independent expert studies have shown will increase performance significantly in next generation offerings’.

The submerged, torpedo-shaped twin hulls appear to use traction propellers at their forward bows. The engines also exhaust their spent gasses somewhere behind these propellers so that the submerged hulls are largely running in a mass of bubbles to reduce drag.

An additional development that this vessel displays is that the angle at which the twin hulls are supported is adjustable by a hydraulic system. This means the vessel’s main hull can be carried high to better clear waves or the vessel can be hunkered down closer to the water with its cat hulls far apart for maximum stability.

JMS technologies are suitable for applications in defence, commercial and recreational applications and in surface and subsea, manned and unmanned systems.  

By Jake Frith

Latest Press Releases

Damen Marine Components completes supply of unique rudder and steering gear system to ice breaker

In an important milestone in the build of the Antarctic Supply Research Vessel (ASRV) Nuyina for the... Read more

Successful full performance test CEMEX dredge pump e-motor

Largest submersed permanent magnet e-motor passed test with flying colours Read more

Manor Renewable Energy to power Hohe See Offshore Wind Farm

Manor Renewable Energy (MRE) Ltd has signed a contract with EnBW to provide the full temporary power... Read more

High Speed Transfers’ second Damen FCS 2710 to debut with Shell

Supporting active drilling operations sets new level of CTV engagement Read more

Damen and Arriva extend ferry service from Copenhagen city centre to port area with two additional Damen Ferries 2306E3

Arriva Danmark has extended the requirements of its contract with Damen Shipyards Group in order to ... Read more

Damen Marine Components wins first order in Turkey

Damen Marine Components (DMC) has signed its first order with a Turkish Shipyard. The client is TERS... Read more

View all