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Maritime Propulsion: Expanding Options for Waterjets

Maritime Propulsion: Expanding Options for Waterjets

MARINELOG

It’s no surprise that waterjets are great for shallow-draft, highly maneuverable craft, but vessel designers are busting out of the old stereotypes.Vessel designer Aircat Vessels has developed a surface effect ship (SES)

It’s no surprise that waterjets are great for shallow-draft, highly maneuverable craft, but vessel designers are busting out of the old stereotypes.

Vessel designer Aircat Vessels has developed a surface effect ship (SES) crew transport catamaran, AIRCAT 35 Crewliner, that can sail at over 50 knots and manage offshore transfers in 2.5-meter seas. The air cushion system from ESNA dynamically adjusts to sea conditions so the vessel can reduce transit times, reduce fuel consumption and improve comfort for passengers travelling at high speed.

The first three vessels are now being operated by All Energies Services (AES) in Angola, taking passengers out to TotalEnergies Angola’s offshore sites.

The Aircat vessel design was also recently taken up Centus Marine, and Strategic Marine is building the vessel which includes four of Kongsberg Maritime’s Kamewa waterjets. Th waterjet’s inlet nozzles are always covered by water even though the submerged volume of the vessel reduces by up to 80% when the air cushion is in use.

“In high-risk maritime environments, the ability to stop fast and reliably can be the difference between routine operation and disaster,” says Anders Valkeinen, Vice-President Sales, High-Speed Craft at Kongsberg Maritime. “Kamewa Waterjets’ unique ability to generate full reverse thrust

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