Metal Protection
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March 2024 - Marine Technology Reporter page: 38using a computer-controlled battery ana- 15C, with no damage or loss of capacity. lyzer, such as the Computerized Battery Analyzer (CBA V), ? Nickel Metal Hydride (NiMH) batteries have high en- from West Mountain Radio (https://www.westmountainra- ergy densities, self-discharge rate of up to 30%/month
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March 2024 - Marine Technology Reporter page: 35perature effects on capacity only begin to show up after the Some battery chemistries, principally Nickel-Cadmium cells pass below 0°C. (NiCd) and Nickel Metal Hydride (NiMH), have recharge ? Lithium (Lithium-thionyl chloride, Li-SOCl2): These memory effects. The condition describes the way these bat-
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March 2024 - Marine Technology Reporter page: 33the TMC / Allseas and JAMSTEC 2022 pilot projects. They also hold a world record water depth for a producing riser sys- tem of 14,764 feet. Impossible Metals is developing a nod- ule collector, unlike other technologies, is untethered and hovers above the sea- bed, picking nodules with robotic arms. CEO
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March 2024 - Marine Technology Reporter page: 32FEATURE SEABED MINING by a sea? oor plume from its pilot collection system test. pact, nodule collection system that utilizes mechanical and The Metals Company recently signed a binding MoU with hydraulic technology. Paci? c Metals Corporation of Japan for a feasibility study on The company’s
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March 2024 - Marine Technology Reporter page: 30since then has been on scaling while en- wave, current and vessel motions that in? uence loads in the suring the lightest environmental impact,” says The Metals power umbilical. The LARS can operate in up to 3.5m wave Company CEO Gerard Barron. In-? eld collection system tri- height signi? cant. The physical
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March 2024 - Marine Technology Reporter page: 29. Only 2-8% of the sediment mass was detected 2m or higher above the seabed and hadn’t settled after several hours. “All indications to date point to polymetal- lic nodules having the potential to become one of the most responsible ways to help meet the world’s spiraling demand for met- als,” says GSR managing
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March 2024 - Marine Technology Reporter page: 19About the Author vey with the pipe tracker is not required, resulting in signi? - Svenn Magen Wigen is a Cathodic Protection and corrosion control cant cost savings, mainly related to vessel charter. expert having worked across The major advantage of using FiGS on any type of subsea engineering, design
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March 2024 - Marine Technology Reporter page: 18TECH FEATURE IMR There are also weaknesses in terms of accuracy because of FiGS Operations and Bene? ts signal noise and the ability to detect small ? eld gradients. In Conventional approaches to evaluating cathodic protection this process there is a risk that possible issues like coating (CP)
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March 2024 - Marine Technology Reporter page: 16(CP), is ment strategy, normally consisting; used on all underwater structures that consist of two or more • Identi? cation of threats, touching metals, and therefore act like a battery in seawater, • Assessment of risk associated with the identi? ed threats, creating a current that causes consumption
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March 2024 - Marine Technology Reporter page: 6MTR Editorial Advisors Gallaudet Hardy The Honorable Tim Gallaudet, Kevin Hardy is President PhD, Rear Admiral, U.S. of Global Ocean Design, Navy (ret) is the CEO of creating components and Ocean STL Consulting and subsystems for unmanned host of The American Blue vehicles, following a career
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April 2024 - Maritime Reporter and Engineering News page: 39Tech Files Latest Products, Systems and Ship Designs “Wall Climbing Robot” Danish Pilot calls gets ClassNK Nod LEGO Model "A tribute build to a work life at sea" Image courtesy MOL, Sumitomo Heavy Industries lassNK granted its Innovation Endorse- Image courtesy Espen Andersen/DanPilot ment for
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April 2024 - Marine News page: 41, R.I., the 100-foot-long aluminum catamaran is owned and of the U.S. offshore wind industry, currently has vessels on order at Blount Boats as well as Metal Shark in Franklin, La. operated by A-O-S, a joint venture formed in 2020 by lead- www.marinelink.com MN 41
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April 2024 - Marine News page: 34Feature Electric Tugs All images courtesy Eric Haun The eWolf’s power integrates into eWolf features a 6.2 MWh Orca ABB’s DC grid architecture, which battery energy storage system distributes to all the consumers from Corvus Energy. throughout the vessel. 12 to 16 inches. If you’ve got 14 inches and
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April 2024 - Marine News page: 24Feature Navigation cables, 9 miles of cables connecting substations and up to blurred, undependable information for vessel crews. two export transmission cables with “associated secondary In the fairways Notice, the USCG references the NAS cable protection” (text is from the permit) within a 42-mile-
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February 2024 - Maritime Reporter and Engineering News page: 17METHANOL STORAGE provals from other classi? cation societies are ongoing, said Lilp, – including accommodation.” although he acknowledges that journey from AiP to full class ap- As of September 2023, methanol had been speci? ed for 216 proval is substantive. In an area where the regulations underlying
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February 2024 - Maritime Reporter and Engineering News page: 16THE PATH TO ZERO Methanol’s Superstorage Solution Technical inquiries to SRC Group ramped up after it received Approval in Principle (AIP) for a concept which ‘reinvented methanol fuel storage’ on board ships. Delivering the answers has seen technical talk converting into project discussions
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February 2024 - Marine News page: 38Vessels Crowley’s All-electric Harbor Tug eWolf Delivered By Eric Haun Crowley has taken delivery of its groundbreaking vessel ers and shipyards,” said Garrett Rice, president of Mas- eWolf, the ? rst all-electric, ship assist harbor tugboat in ter Boat Builders. “We are proud to have partnered with the
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February 2024 - Marine News page: 26Feature Passenger Vessel Safety ume is even more eye-opening. The trade association In- ect seeking to signi? cantly reduce the risk of ? res on board terferry, which represents ferry operators and businesses ro-ro (roll on–roll off) ships. Corrigan said that Interferry’s worldwide, calculates that
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February 2024 - Marine News page: 19ment, work processes and technology progress, and it can if you start the new year out by listening to your workforce be hard to keep up with the latest changes. In 2024, keep and implementing necessary changes to work practices an eye out for updates to existing standards and implement based on their
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February 2024 - Marine News page: 8By the Numbers © Dragon Claws / Adobe Stock Rebuilding the Foundations of US Offshore Wind By Philip Lewis, Director of Research, Intelatus Global Partners As we enter a New Year, the memories of the shocks to with a potential of 3.3-6.3 GW in Delaware and Chesa- the foundations to the U.S. offshore wind
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January 2024 - Marine Technology Reporter page: 19and competed cern is what’s called an end stop. them against one another to ? nd the best. If you have the hinge rotate so far around that you get a metal on metal impact, that’s a bad thing. But we’ve designed the What are the biggest maintenance considerations of the unit? hinge to be able to accommodate
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January 2024 - Maritime Reporter and Engineering News page: 21COATINGS Figure 6. The M/V Mark W. Barker sports exterior topcoats in The Interlake Steamship Company’s distinctive red (hull) and brown (freeboard). coat with a DFT of 20 to 25 mils. Aluminum oxide was added for at least a decade before dry docking – nearly double the for slip resistance and texture
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January 2024 - Maritime Reporter and Engineering News page: 20TECH FEATURE Figure 4. The vessel’s cargo holds feature Figure 5. The walls of the cargo holds All images courtesy of The Interlake Steamship Company ? at bottoms that accommodate the use bene? t from a zinc-based coating that of heavy machinery, which necessitated provides durability in an area
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January 2024 - Maritime Reporter and Engineering News page: 19COATINGS Figure 1. The M/V Mark W. Barker is speci? cally designed to navigate the occasionally narrow rivers and con? ned ports scattered across the Great Lakes region. All images courtesy of The Interlake Steamship Company Figure 2. Distinguished by its Figure 3. The Interlake Steamship square-shaped