Propeller News

Guangzhou Port Group’s e-tug to Sport Schottel Propulsion

SCHOTTEL will equip Guangzhou Port Group’s latest e-tug with two RudderPropellers type SRP 360 in the LE-Drive variant. The new harbor tug measures 37.9 x 10.5m and will be mainly used for berthing assistance, escorting and towing in the Port of Guangzhou, China. Each SRP has an input power of 1,500 kW and a propeller diameter of 2.2m. The 360-degree steerable thruster combines maximum maneuverability and bollard pull with outstanding efficiency during free sailing, providing…

World’s Largest Sailing Ships to include Brunvoll Propulsion

Chantiers de l’Atlantique selected Brunvoll as the supplier of main propulsion for Orient Express Silenseas’s new cruise ships, which are going to become the world’s largest sailing ships. The order is for two vessels, with another two as option.The delivery from Brunvoll is a propulsion system consisting of a twin-screw configuration with a controllable pitch propeller with a diameter of 3.9 meters. The propellers are designed to be fully feathering to limit drag while sailing.

ABB to Provide Hybrid-electric Propulsion for MaineDOT Ferry

ABB has been selected by Maine Department of Transportation (MaineDOT) to supply a comprehensive grid-to-propeller solution for the new double-ended, hybrid-electric ferry that will provide essential services between the town of Lincolnville and the island community of Islesboro in the United States.ABB’s scope of supply covers the hybrid-electric propulsion and energy storage system. ABB’s Onboard DC Grid power distribution system will ensure optimal use of energy sources, while…

Obstructed Valve Sinks Towboat

An obstructed check valve on a bilge pump led to the flooding and partial sinking of a towing vessel last year while moored at a shipyard near New Orleans, the National Transportation Safety Board reports.Marquette Transportation's vessel Joanne Marie was found partially submerged a day and a half after being moored and deactivated at the Bollinger Quick Repair Shipyard on the Harvey Canal. The vessel was unattended at the time. No injuries were reported and damage to the vessel was over $176…

SCHOTTEL RudderPropellers Selected for Four Damen ASD Tugs

SCHOTTEL said it will equip four new 1810-series ASD stock tugs from the Dutch Damen Group with the SCHOTTEL RudderPropeller type SRP 270. The new multipurpose tugs will have a bollard pull of 30 tonnes each and ensure excellent maneuverability with a compact size of just 18.25 meters in length and a beam of 10.23 meters.The power rating of the SRP 270 amounts to 1,000 kilowatts per unit, with a propeller diameter of 1.9 meters. Each tug will be equipped with two units. SCHOTTEL DuroVario LS slipping clutches will allow for smooth acceleration and improved handling of the thrusters.

Detained Ship from Russia Allowed to Leave German Port

A cargo ship from Russia earlier detained in Germany on suspicion of breaching sanctions is now free to leave the port of Rostock, the Stralsund main customs office confirmed on Friday without providing any further details.The Atlantic Navigator II carried 251 containers of birch wood destined for the United States, which is subject to EU sanctions against Russia, but not to the US ones, prosecutors have said.The vessel, which is managed by Canada-based CISN and sailing under the Marshall Islands flag, also has enriched uranium for some US clients, exempted from both US and EU sanctions, The O

Damen Naval to Equip ASW Frigates with Kongsberg’s Propellers

Damen Naval has selected Kongsberg Maritime Sweden to deliver controllable pitch propellers and shaft lines for the four Anti-Submarine Warfare (ASW) frigates for the Netherlands and Belgium.As part of this contract, Kongsberg will supply four shipsets of its controllable pitch propeller systems and associated equipment including blades, hubcaps, hubs, and shaft lines.The four ASW frigates will replace the current Karel Doorman-class multi-purpose frigates. They will be deployed for a wide variety of tasks, with anti-submarine warfare as their main purpose.

Wärtsilä Launches New High-Performance Thruster and Propulsion Control Solution

Wärtsilä has introduced a new high-performance thruster and propulsion control solution, which is said to raise the level of offshore dynamic positioning for greater efficiency and operational performance of vessels.The company’s new high-performance thruster and propulsion control solution package utilizes a combination of Wärtsilä’s WST-E embedded electric steerable thruster and WST-R retractable thrusters, together with an updated remote propulsion control system featuring an enhanced user interface ProTouch…

Thordon Delivers Rudder Bearing to Research Ship

Thordon Bearings, the pioneer in water-lubricated bearings, secured a new order for a rudder bearing that was fitted to a 77.1m (253ft) research ship that frequently operates in ecologically sensitive marine environments.The 38-year-old Ocean Endeavour, operated by the UK’s Gardline, a multi-disciplinary marine survey company which operates a fleet of 13 multi-role survey ships, was recently fitted with Thordon’s SXL rudder bearing at UK Docks Marine Services’ Teesside drydock.Bruntons Propellers…

Kongsberg to Supply Propulsion for USCG Offshore Patrol Cutter

Kongsberg Maritime announced it has been selected by shipbuilder Austal USA to supply its Promas propulsion system to the latest ship in the U.S. Coast Guard’s Heritage Class Offshore Patrol Cutter (OPC) program.This initial contract is to supply Kongsberg Maritime equipment for the fifth ship, Coast Guard Cutter Pickering, which is the first to be built by Austal USA at its yard in Mobile, Ala.Built to replace the Coast Guard’s medium endurance cutters, the OPC program is expected to run up to 25 ships. The OPC vessels will be able to provide long range patrol capability.

Eco Marine Power and Nakashima Propeller Cooperate on Composites

As part of its ongoing Aquarius Eco Ship Project, Eco Marine Power and Nakashima Propeller will explore the further use of carbo-fiber reinforced plastic (CFRP) and glass-fiber reinforced plastic (GFRP) for ship structures and other maritime applications.Eco Marine Power will also investigate the use of CFRP propellers to improve energy efficiency and reduce underwater noise created by ship propulsion systems.CFRP & GFRP are composite materials that can offer a versatile and efficient solution for a range of ship structures by providing a balance of strength…

Newport News Completes Dry Dock Work for Aircraft Carrier USS John C. Stennis

HII’s Newport News Shipbuilding division has completed the dry dock portion of the refueling and complex overhaul (RCOH) of Nimitz-class aircraft carrier USS John C. Stennis (CVN 74).Following the recent flooding of more than 100 million gallons of water into the dry dock, USS John C. Stennis was moved to an outfitting berth at the shipyard, where the remainder of the RCOH work and testing will be completed.During the dry dock phase of the RCOH, USS John C. Stennis received significant upgrades and began an extensive overhaul process, both inside and outside the ship.

ITIC Highlights Importance of Vessel Design Reviews Following $5 Million Claim

The International Transport Intermediaries Club (ITIC) has highlighted the importance of robust vessel design reviews and related insurance coverage throughout the construction process following a recent dispute between a naval architect, a shipowner and a shipyard regarding a vessel’s operational performance post-delivery.The vessel, a 24-metre catamaran servicing the offshore oil and gas industry, faced considerable operational limitations. This was attributed to unexpected vibration issues in the vessel's rudders…

On Board the eWolf: The First Electric Tugboat in the US

Crowley Maritime Corporation has owned and operated a lot of vessels since its founding in 1892. But the latest vessel to join its fleet is unlike any other that has come before it.Crowley’s new harbor tug, eWolf, is unique in that it runs 100% powered by batteries, not diesel engines, meaning it produces zero emissions and nearly no noise. Not only is the vessel the first fully electric tug in the Crowley fleet, but it is also the first of its kind in the United States.Faced with stricter regulations and commercial pressure to prioritize environmental…

German Prosecutors Probe Ship for Possible Russian Sanctions Breach

A cargo ship leaving Russia that made an unscheduled stop at the German port of Rostock is under investigation there for carrying cargo in possible breach of sanctions, German authorities said on Wednesday.The Atlantic Navigator II, managed by Canada-based CSAL and sailing under the Marshall Islands flag, has been detained by German customs. On board are 251 containers of birch wood, which is subject to EU sanctions against Russia, prosecutors said."Investigations are under way against the captain of the freighter on initial suspicion of a violation of the Foreign Trade and Payments Act…

Damen and CMA CGM Join Forces to Boost Containerships Efficiency

Around 10 of CMA CGM’s vessels are set to receive modifications and upgrades as part of the agreement the French shipping giant made with Dutch shipbuilder Damen Shipyards, aimed at increasing the efficiency of the ships.The upgrades and modifications will deliver fuel efficiencies of more than 10%, according to Damen.The upgrades will take place at Damen Shiprepair Dunkerque (DSDu) and Damen Shiprepair Amsterdam (DSAm), which between them have some of Europe’s largest dry docks…

IMO’s PPR11 Agrees Guidance on Key Environmental Issues

The IMO’s Sub-Committee on Pollution Prevention and Response (PPR 11) agreed new guidance on several key environmental issues.Meeting from February 19 to 23, 2024, the following guidance will now be submitted to the Marine Environment Protection Committee for approval this March (MEPC 81) and October (MEPC 82):• the safe transport of plastic pellets by sea• best practices for cutting black carbon emissions from ships operating in or near the Arctic• reducing risks of use and carriage…

NYK and Astomos Energy Christen New Jointly-Owned Dual-Fuel LPG Carrier

As their first jointly owned liquefied petroleum gas (LPG) carrier in 21 years, NYK and Astomos Energy have named the new vessel Gas Garnet.The companies held a naming ceremony at the Sakaide Works of Kawasaki Heavy Industries on March 1, 2024.The 86,953 m3 capacity vessel was christened Gas Garnet by Yoshihito Takahashi, senior executive officer of Astomos Energy. This is the first jointly owned LPG vessel by the companies after they shared ownership of Gas Capricorn from 2003.The vessel has a breadth of 37.2 meters…

Pacific Basin Chooses Graphene-Based Propeller Coating

Dry bulk shipping company Pacific Basin has decided to apply a sustainable graphene-based propeller coating XGIT-PROP, developed by Canadian company GIT Coatings, across its entire fleet.Following successful application and observing positive results on one of its Supramax dry bulk vessels, Pacific Basin has started the rollout of XGIT-PROP across 40 vessels scheduled for dry dock maintenance in 2024. This decarbonisation initiative marks the largest adoption of graphene-based propeller coating in the dry bulk segment.Sanjay Relan…

Schottel Breaks Ground for Rudder Propeller Factory Expansion in Germany

Schottel has marked the symbolic start of construction for the expansion of its rudder propeller factory in Dörth, with the construction already advancing towards the planned commissioning in 2025.Schottel is expanding its rudder propeller factory by adding a logistics center measuring around 4,000 m2.As the official ground-breaking ceremony was delayed, it has now taken place symbolically against the backdrop of the shell construction that has already begun.The total investment volume amounts to €9.5 million…

Speed a Factor in Tug and Tanker Collision -NTSB

A tugboat maneuvering near a transiting tanker in the Corpus Christi Ship Channel was drawn in toward the tanker, leading to a collision, the National Transportation Safety Board (NTSB) said Tuesday.The tugboat Mark E Kuebler and the tanker Nisalah collided in the channel near Ingleside, Texas, on January 22, 2023. The tugboat’s hull was breached by the tanker’s propeller, which was also damaged in the collision. The collision resulted in nearly $7 million in damages. There were…

SCHOTTEL to Equip Med Marine's Six New ASD Tugs

SCHOTTEL is to equip six new ASD tugs of the Turkish Med Marine Group with the SCHOTTEL RudderPropeller (SRP). The new vessels will be built by Med Marine’s Ereğli Shipyard and will be available in 2025 to meet the constantly growing demand for Med Marine tugs. A total of 12 SCHOTTEL RudderPropellers in the SRP 360, SRP 430 and SRP 490 series will be built for the new vessels by the German manufacturer of marine propulsion systems. The new tugs will cater for a range of different bollard pull requirements in the 50-…

Demand for Maritime Shaft Generators Increasing

30 years ago shaft generators with PTI capability kept container ships sailing at top speed. That purpose gone, PTI/PTO is making a new comeback in more cargo shipping segments, this time for reducing emissions.Retrofitting a shaft generator is not an insignificant undertaking. Around 50 tons of equipment needs to be installed into the engineroom through a hole in the hull. A new section of shaft is usually required.That a few shipowners are undertaking such projects - Klaveness Combination Carriers on the Ballard…