Shafts & Propellers – Page 3
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NewsNew SDARI design uses torsional damper to eliminate BSR
Dr. Chris Leontopoulos, Director of Global Ship Systems Center, ABS Athens discussed the benefits of a new sterntube design for a container feeder vessel design at Posidonia 2022.
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NewsABS Grants AIP for new stern tube design
ABS has granted Approval in Principle (AIP) to the Shanghai Merchant Ship Design and Research Institute (SDARI) for a vessel design with a novel aft layout which eliminates pollution and promotes efficient vessel operations.
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NewsKM to propel new electric ferry
KM to supply propulsion package for world’s largest all-electric double-ended ferry
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NewsNew shaft seal has SRTP benefit
Thordon Bearings has released a new propeller shaft seal with a unique Safe Return to Port (SRTP) design.
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NewsReports of propeller shaft bearing damage increasing
DNV reports an increase in reported propeller shaft bearing damage on older vessels, typically above 10 years of age, operating with environmentally acceptable lubricants (EALs).
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NewsResearchers show importance of dynamic engine behaviour when matching engine with propeller
A research paper published in the International Journal of Naval Architecture and Ocean Engineering in December 2021 has demonstrated the importance of considering dynamic engine behaviour when designing propulsion systems for 2-stroke engines.
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NewsABB expects PM shaft generators on Himalaya Shipping series to achieve 4% fuel savings
ABB is to provide innovative permanent magnet (PM) shaft generators for 12 of Newcastlemax bulkers ordered by Himalaya Shipping. The Bermuda-based shipowner will take delivery of the series of 210,000 dwt ships from New Times Shipbuilding in Jiangsu, China, starting from 2023.
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NewsEcoPellers selected for hybrid-electric ferry order
Schottel has received an order to supply two EcoPellers for installation in a 100m long hybrid-electric ferry, Altera. The LMG-Marin designed Ro-Pax ferry is under construction at Crist shipyard in Poland, and will be operated by state-owned Finnish ferry operator FinFerries.
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NewsHyProp ECO propulsion solution for chemical tanker newbuildings
Dingheng shipyard, the subsidiary of China Merchants Jinling Shipyard (CMJL), has ordered an integrated HyProp ECO propulsion package for four new Finnish/Swedish 1A ice class chemical tankers for Hamburg-based tanker operator, John T. Essberger.
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Berg inks deal with Yaskawa in electric propulsion drive
Berg Propulsion has signed a key supplier and cooperation agreement to provide systems integration capability for Yaskawa Environmental Energy / The Switch permanent magnet (PM) and power electronics products.
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NewsWärtsilä wins repeat propulsion package order from Wuhu for asphalt carrier
Wuhu Shipyard in China has selected Wärtsilä to provide a comprehensive package of propulsion solutions for a new 11,700cbm asphalt carrier for Canadian operator McAsphalt Marine Transportation.
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NewsWhy permanent magnets trump the norm for in-line shaft generators
Producing electrical power using permanent magnet (PM) technology is the future for slow-speed maritime generator applications and will help to reduce the carbon intensity of ships, says Jussi Puranen, Head of Product Line, Electric Machines, at Yaskawa Environmental Energy/The Switch
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NewsWärtsilä shaft generator systems for Capital Gas LNGC newbuildings
Wärtsilä has been awarded the contract to supply shaft power generator systems to provide power take-off from the main engines for two LNG Carrier vessels. The carriers are being built at Hyundai Heavy Industries (HHI) shipyard in South Korea for Greece-based ship management service provider Capital Gas Ship Management Corp.
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NewsGE Power to provide SeaGreen PTO for Maran Gas LNG carrier
GE Power Conversion will supply a power take off system for an LNG carrier to be built by Samsung Heavy Industries (SHI). The carrier will be completed in 2023.
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NewsStorm brews over EEDI minimum power requirements
In severe sea states, EEDI’s minimum power requirements potentially create a risk that a ship may not be able to make enough way through the water to maintain steerage “and then you are in trouble,” warned Philip Holt, a naval architect at MAN Energy Solutions.
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NewsDMC delivers nozzles to super trawler modification project
Damen Marine Components has delivered two large 19A nozzles to Parlevliet & Van der Plas for its 142-metre fishing trawler, the Margiris. The vessel has recently undergone a modification project at Damen Shiprepair Amsterdam.
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NewsBerg Propulsion reorganises after Caterpillar purchase
After closing a deal on 30 June to buy Caterpillar Propulsion AB and re-establish Berg Propulsion, the company announced plans to consolidate its manufacturing in Sweden.
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NewsMAN ES screws down on propulsion efficiency
Propellers are now just about as efficient as they can get, believes Jens Ring Nielsen, a senior technical engineer for MAN PrimeServ in Denmark.
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NewsSTUDY FURTHERS OPTIMISATION OF DOUBLE SLOPE STERN TUBE BEARINGS
Optimal geometric parameters for double slope aft stern-tube bearings have been determined to further reduce the risk of bearing failure
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NewsCaterpillar to sell off Caterpillar Propulsion AB
Caterpillar Luxembourg SARL has agreed to sell Caterpillar Propulsion AB and its subsidiaries to a holding company controlled by former Berg Propulsion coo Stefan Sedersten
