Marine Propulsion

Wärtsilä Propulsion Factory Wuxi Celebrates 20th Anniversary

Wärtsilä Propulsion Factory Wuxi has celebrated its 20th anniversary.A significant highlight of the day included the signing…
When it Comes to Workboat Engines, the Future is Flexible

Vessel owners are making new fuel choices, but increasingly, they have options to help reduce the risk of doing so.The latest…
Zero-carbon Ammonia for Shipping Faces Cost, Safety Challenges

At one of the world's biggest bulk export ports in Western Australia, shippers safely completed the first transfer of ammonia…
LNG Carrier with Nuclear Propulsion Offers Faster Zero-Emission Transits, ABS Finds

American Bureau of Shipping (ABS) has released its latest report into the potential of advanced nuclear technology for maritime applications…
Staten Island Ferry and NYC Ferry Trialing Renewable Diesel

Staten Island Ferry and NYC Ferry will begin testing renewable diesel fuel as an eco-friendly alternative to traditional diesel.

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Latest propulsion news

Diesel Engines

Basic Design Completed for Conversion of Old LNG Carriers

NYK Line, Namura Shipbuilding and Sasebo Heavy Industries are collaborating to replace the main propulsion on steam turbine driven Moss-type LNG carriers to dual-fuel diesel engines and have now completed the basic design step.In October 2023, NYK was granted Approval in Principle (AiP) from ClassNK for the concept, and the three companies will now proceed with a detailed design.The aim is to improve environmental performance…

Thrusters and Pods

Schottel Propulsion for Four New Saltchuk Escort Tugs

Schottel won an order to supply azimuthing thrusters for four new escort tugs for Seattle-based Saltchuk Marine, the beginning of the renewal of the Saltchuk fleet for operations on the US West Coast, Hawaii, and Alaska.To be built by Eastern Shipbuilding, the vessels are a RApport 2600 design by Canadian naval architect Robert Allan and will measure 25.6 x 12.8m with a 5.5-m draft. Accommodation will be provided for eight persons…

Transmissions & Gears

Twin Disc Finalizes Katsa Acquisition

Power transmission technology company Twin Disc on Friday announced it has finalized its acquisition of Katsa Oy, a Finland-based, designer and manufacturer of gearboxes and power transmission components, completing a €21 million (approximately $23 million) all-cash deal that was first announced in March.“We are excited to welcome Katsa to the Twin Disc family of brands,” stated John H. Batten, President and CEO of Twin Disc.

Shafts/Couplings/Bearings

Thordon Bearings Unveils New Shaft Solution for Sterntubeless Ships

Representing a breakthrough in the evolution of a ship’s propeller shaft line, Canada’s Thordon Bearings has unveiled the Thordon-Blue Ocean Stern Space (T-BOSS), a new solution designed to meet the propeller shaft requirements of the sterntubeless ship design proposed by the Blue Ocean Alliance.The Blue Ocean Alliance is a consortium of industry partners – ABS, Thordon Bearings Inc, Wärtsilä, SDARI…

Propellers

Study Highlights Need to Reconsider Fixed Sea-Margin for Gate Rudder Concept

A study published by Norbert Bulten, Product Performance Manager at Wärtsilä, has demonstrated that “there is more in life than the straight-sailing, calm water condition.”The research was carried out within the EU-funded CHEK project and involved full-scale CFD simulations that focused on the impact of rudder steering and vessel motion.The study compared a gate rudder concept to a conventional semi-spade rudder for a Kamsarmax bulker.Typically…

Hybrid Drives

AYK Energy to Supply Batteries for Mureloil's New Diesel Electric Tanker

Marine battery manufacturer AYK Energy reports it has secured a contract to build a new 4,200 KWh battery for Spanish ship owner Mureloil. The agreement will see AYK’s Aries + battery supplied on a new 7999 DWT diesel-electric product tanker being built for Mureloil at Astilleros Murueta shipyard near Bilbao.AYK founder Chris Kruger said the vessel will be able to operate on zero emission battery power…

Outboard Engines

Damen Introduces New Engine with Marine Emissions Reduction System

Dutch shipbuilder Damen has unveiled new engine, Damen D16, combined with the in-house marine emission reduction system, which has recently been awarded EU stage V certification.The Damen D16 is a marine engine and aftertreatment system designed and developed inhouse by Damen Sustainable Solutions. It aims to reduce emissions and increase power efficiency supporting Damen’s goal of becoming the most…

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