Published by The Maritime Executive

Published by The Maritime Executive

Published by The Maritime Executive

Published by The Maritime Executive

Published Sep 6, 2022 3:31 PM by The Maritime Executive

South Korea’s Daewoo Shipbuilding & Marine Engineering is accelerating efforts to introduce its version of a rotor sail for application on large commercial ships. The shipyard which has been conducting research into rotor design and received an initial design approval in March 2021 looks to advance the technology as part of its efforts to produce eco-friendly ships. 

DSME has signed a new agreement with classification society DNV to jointly develop wind-assisted propulsion systems. This will include rotor sails as well as other energy-saving devices. They will also cooperate in promoting future-related businesses.

The shipyard reported last year that it was conducting research into the application of rotor sails. DSME said that as part of the process it analyzed the application of this system demonstrating that it will result in fuel savings of more than 5 percent based on the Energy Efficiency Index (EEDI), which the International Maritime Organization (IMO) uses as an energy saving evaluation measure.

A prototype of a full-scale version of the DSME Rotor Sail is currently being assembled at the company’s shipyard. They expected it will be completed next month and then will be used to perform various tests on the technology. By the end of 2026, DSME also plans to build a Rotor Sail Demonstration Center at the Geoje Okpo National Industrial Complex. 

DSME is completing construction of a full scale prototype for testing (DMSE)

Working with DMV, the new cooperation with a focus on achieving DNV’s Type Approval Design Certificate and technical support for DSME’s future rotor sail system. They also plan to conduct a joint study of a Wind Assisted Propulsion System on deep-sea vessels such as an LNG carrier and VLCC. They will also conduct joint research for other energy-saving devices.

DSME in its efforts to develop a commercial application for rotor sails will be completing with Hyundai Heavy Industries which last month also previewed its design for a rotor sail. Called the Hi-Rotor, HHI highlighted that it was independently developed and said they had been able to achieve further improvements to the technology. Hyundai said that its design “improves the stability of the drive system compared to the belt method of existing commercial products by applying the reduction gear method to the driving part connecting the electric motor and the rotor.”

Hyundai reported that it had also obtained an Approval in Principle from the Korean Register of Shipping for its rotor design. They plan to start demonstrations on land in the second half of this year, and to actively seek product orders based on the KR design approval.

Published Sep 9, 2022 7:43 PM by The Maritime Executive

Three years after car carrier Golden Ray wrecked in Georgia’s St. Simons Sound and a year after the salvage operation was completed the legacy of the wreck continues to hang over the Georgia community. On Wednesday, one day shy of the third anniversary of the wreck heeling over in the sound and triggering the massive salvage operation a new lawsuit was filed in U.S. District Court in Brunswick, Georgia echoing issues raised by the local government in a similar suit...

Published Sep 9, 2022 6:35 PM by The Maritime Executive

SMM 2022 wrapped up on Friday, and the numbers show that the industry is happy to return to in-person events. Over the course of the week, more than 30,000 people came to the Hamburg Messe conference complex to check out suppliers, meet friends and customers, close deals - and, of course, to party. The first two days of the show were particularly packed with visitors, and some corporate presentations had standing room only.  The talk of the conference was decarbonization, of course, along...

Published Sep 9, 2022 6:27 PM by The Maritime Executive

The U.S Coast Guard intends to remove the wrecks of two abandoned ships in Oregon’s Columbia River after it became apparent they are a danger to the environment and a risk to vessels operating outside the navigation channel. The Coast Guard said that two years after it oversaw the removal of thousands of gallons of diesel and oily water from the decommissioned 125-foot cutter the Alert and the 100-foot former Navy tugboat Sakarissa, the two derelict vessels that sunk off...

Published Sep 9, 2022 5:51 PM by The Maritime Executive

The Productivity Commission of Australia released a report, which among other issues focuses on boosting productivity at the country’s major seaports. The report contends that persistent inefficiencies at the Australian ports are costing the economy an estimated A$605 million (approximately US$415 million) per year. The report is part of an inquiry commissioned by the Coalition Party during the tenure of Scott Morrison, leader of Australia’s Liberal Party and the country’s Prime Minister from 2018 till May of this year. Last...

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