Marine Propulsion

Stena Bulk to Run MR Tanker on 100% Biofuel

Swedish based tanker shipping company Stena Bulk will become the latest to run a ship on biofuel as owners and operators…
EPA Tier 4: Difficult and Contentious, 12 Years and Counting

When it comes to complying with EPA’s Tier 4 emissions regulations, there’s no shortage of creativity emerging from America’s…
Wärtsilä Testing Ammonia as a Marine Fuel

As marine operators and euipment manufacturers continue to explore alternative marine fuels as a means to help lower vessel emissions…
Staten Island Ferries: A "New York State of Mind"

It takes a thick skin to live in New York City, let alone to run its Staten Island Ferry service. James C. DeSimone, Deputy Commissioner…
Rewrite the Rules: The Path to Zero Emissions

With social media updates and conference agendas addressing the subjects of climate change, emissions reductions and alternative fuels…

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Latest propulsion news

Diesel Engines

SCHOTTEL to Equip US Navy Tugs

SCHOTTEL said it has secured several orders to provide propulsion systems for U.S. Navy vessels. This additional order of five Workboat Docking vessels and two YTL tugs – all of which are to be built at the Modutech Marine Inc. yard in Tacoma, Wash. Construction of the lead tug is to commence in 2020.The main propulsion for each Workboat Docking vessel consists of a SCHOTTEL SRP 150 azimuthing unit with fixed pitch propellers with a diameter of 1.05 m and an input power of 335 kW.

Thrusters and Pods

SCHOTTEL to Propel St. Lawrence Seaway Tug

German propulsion manufacturer SCHOTTEL said it has been selected to equip a newly built harbor tugboat for the Saint Lawrence Seaway Development Corporation (SLSDC) with medium-sized azimuth thrusters. The vessel is under construction at the U.S. shipyard Washburn & Doughty in Maine. The HT-60, the smallest in the harbor tug series developed by the Seattle-based naval architecture firm Glosten, is scheduled for delivery in 2021.Craig Middlebrook…

Transmissions & Gears

ZF Unveils 5200 A/V PTI Hybrid Transmission

With the ZF 5200 A/V PTI, ZF Marine is introducing the brand’s first hybrid transmission that can be installed in the ship in both V (V drive) and A (down angle) positions. Thanks to the wide range of transmission ratios and space-saving design, the ZF 5200 A/V PTI is suited for many different types of marine vessels.Ship designers currently face a wide array of challenges: In the leisure yacht segment…

Shafts/Couplings/Bearings

NMDC to Complete Fleet-Wide Thordon Conversion

The National Marine Dredging Company has replaced the rubber cutter shaft bearings on the 89m dredger Al Khatem, marking a step closer to the Abu Dhabi-based dredging company’s fleet-wide conversion to Thordon Bearings’ seawater lubricated Composite cutterhead bearings and cutterhead intermediate lineshaft bearings.The 1979-built Al Khatem is the latest heavy-duty cutter suction dredger NMDC has converted to the Thordon solution…

Propellers

SCHOTTEL to Supply EcoPellers to Norled

SCHOTTEL has won a contract from Ada Shipyard in Turkey to supply propulsion units for two double-ended Ro-Pax ferries. As part of the deal, the German propulsion manufacturer will provide a total of four SCHOTTEL Rudder EcoPellers (SRE) for the LMG 60 DE design vessels ordered recently by Norwegian ferry operator Norled.The ferries’ main propulsion consists of two SCHOTTEL EcoPellers type SRE 270 (810 kW each) with 1.85 m diameter fixed pitch propellers (one at each end of the ferry).

Hybrid Drives

Corvus ESS for Hybrid Coastal Cargo Carrier

Corvus Energy has been selected by Westcon Power & Automation (WPA) to supply the lithium-ion battery-based energy storage system (ESS) for a new hybrid coastal cargo vessel being built for Arriva Shipping at Dayang Offshore Equipment in China.The ship is of MDC 1309 Ecolution design made by Marine Design and Consulting (MDC) in Bergen and defines a whole new standard for this type of ship. Energy efficiency has been taken into account throughout the entire design phase.

Outboard Engines

Kitamura Named President of YANMAR MARINE INTERNATIONAL

YANMAR announced Taro Kitamura has been appointed as the new President of YANMAR MARINE INTERNATIONAL (YMI) and head of YANMAR’s Recreational Marine Business Unit.Effective from April 1, the 30-year company veteran will replace current YMI President Shiori Nagata, who has been promoted within YANMAR Holdings Co. Ltd. in Japan after overseeing a strong five-year period of growth for the Netherlands-based recreational marine division.Taro joined YANMAR head office in 1990 as Procurement Buyer…

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