Shafts & Propellers – Page 4
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NewsThordon Bearings advocates the green approach
Thordon Bearings has been advocating the use of green technologies to help slash operation costs for shipowners.
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Thordon strengthens position in container market
Thordon Bearings is cementing its position in the containership market with another order for its Compac water lubricated propeller shaft bearing concept.
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DNV GL tackles stern tube failures
Class society DNV GL has revised class rules for single shaft bearing installations and introduced two shaft alignment notations in the wake of a reported upsurge in stern tube bearing failures.
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Partners harness waste heat and shaft energy
Mitsubishi Heavy Industries and Wärtsilä are to jointly market a new energy solution that deploys both waste heat recovery (WHRS) and power take-off/in (PTO/PTI).
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Chinese shipbuilders spearhead the return to water lubrication
Thordon Bearings has received another order from a Chinese shipyard which it says indicates more of the country’s shipbuilders are specifying water lubricated propeller shafting arrangements as standard.
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First class-approved 3D printed ship propeller unveiled
Damen Shipyard Group has displayed the world’s first class-approved 3D printed propeller at its headquarters after a collaborative project between RAMLAB, Promarin, Autodesk, Bureau Veritas and Damen.
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Wärtsilä pre-swirl stator promises improved fuel efficiency
Technology group Wärtsilä has launched a pre-swirl stator, EnergoFlow, that it claims can offer fuel reductions of up to ten percent, with a payback time of less than two years.
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Waterjets to help boost ferry performance
A ferry operator hopes to keep its competitive edge by powering a new high-speed catamaran with waterjets.
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New propulsion system enables independent engine and propeller control
New propulsion system enables independent engine and propeller control
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Kobe Steel certified for stronger crankshafts
Kobe Steel will be able to build smaller, stronger crankshafts after receiving certification from ClassNK to use greater design margins in the manufacture of crank components.
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Van der Velden supplies rudders for mega containerships
Van der Velden Marine Systems is this year set to deliver 100m2 full spade ATLANTIC rudders for five of the largest containerships ever ordered by China Cosco Shipping Corporation.
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