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Propeller

MAN Diesel Expands CP Propeller Portfolio

Photo courtesy MAN Diesel

In response to the market demand for very large CP propellers up to and beyond 30,000 kW and with diameters over eight meters, MAN Diesel is expanding its propeller portfolio to add two new, propeller hub-sizes – VBS2080 and VBS2240 (2080 mm and 2240 mm hub diameters respectively). These propeller sizes are typically destined for ConRo vessels, shuttle tankers and special vessels with high ice classes, and powered by MAN B&W two-stroke MC-C or ME-C main engines that directly drive a CP propeller. As the potential for improving propeller propulsive efficiency aft-ship optimization is far greater than that for improving diesel-engine fuel-oil economy, MAN Diesel has devoted more resources to its CP propeller program and associated aft-ship systems in recent years, with the aim of improving total propulsive efficiency by 8-10% within the next three to five years. Backed up by industry demand, MAN Diesel focuses on low environmental impact and optimal fuel-oil consumption. While these two factors can play against each other in diesel-engine design, they go hand-in-hand with propellers since an increase in propeller efficiency results in lower propulsion power and fewer emissions. Where the correct approach to the vessel-design process is taken and MAN Diesel are involved at an early stage in propeller and aft-ship optimization


Wärtsilä Opens Propeller Factory in China

Propeller in the new factory Wärtsilä's joint venture company in China, Wartsila CME Zhenjiang Propeller Co Ltd., inaugurated its new propeller factory at Zhenjiang in Jiangsu province. The new factory is expected to double Wärtsilä's capacity to manufacture this type of propellers. During the past ten years the output has increased by 500 percent. In 2007 up to May, there are 425 vessels contracted in China, which is 45 percent of the global vessel order intake


Mercury Marine Acquires Teignbridge Propellers

Mercury Marine announced today that it has acquired Teignbridge Propellers Ltd., headquartered in Newton Abbot, United Kingdom. Teignbridge Propellers produces bronze and Nibral (nickel, bronze, aluminum) propellers for yachts, patrol boats and commercial vessels. In addition to its line of standard and custom propellers, Teignbridge also produces a complete underwater package of stern gear for inboard-powered vessels, which includes rudders, shafts, struts, seals, logs and bearings.


Wärtsilä Acquires Propeller Repair Business in the U.K.

Wärtsilä has acquired the UK-based propeller repair company McCall Propellers Ltd. The company's net sales are $12.7m with 33 employees. McCall Propellers is the largest marine propulsion support services company based in the U.K. specializing in emergency repair of propeller equipment. The acquired company has purpose-built repair facilities next to Glasgow Airport, and work is carried out either in the workshop or on site anywhere in the world.


Container Ship Propellor Damage Fixed by FN Diving

Photo credit FN Diving

Heavy shaft vibrations led  a container shlp owner to call in FN Diving in Rotterdam for underwater repair of the propellor. The inspection of the propeller revealed a deformation on one of the blade tips due to impact damage, the blade was found bent up to a 70 degree angle towards pressure side, while the tip of the next blade was broken off. In cooperation with the Propeller manufacturer, FN Diving determined an in situ repair plan.


New Fixed Pitch Propeller Design from Wärtsilä

Wärtsilä introduced the FPP Opti Design, a new fixed pitch propeller (FPP) design concept. According to Wärtsilä, the new design offers fuel savings of up to 4 percent and highly reliable full scale performance predictions. The concept has been developed utilizing the latest computational fluid dynamics (CFD) technology. The Wärtsilä FPP Opti Design has been developed at the company’s Technology and Service Centre in the Netherlands


Propeller Retrofits Saves 10 Percent Fuel

Benefits of fitting CLT propellers include fuel savings of around 10 percent while maintaining the same speed, according to Geneva-based shipowner Cargill International SA, which has recently released consumption figures for two of its Panamax bulk carriers. The 70,000 dwt Powhatan and Paiute had CLT propellers retrofitted in February and March 1998, after Cargill had already benefited from more than two years' first-hand experience of the CLT propeller concept developed by Madrid-based


Cleaning a Propeller

Luis.jpg

From the desktop of Luis Velarde, courtesy Rice Propulsion A propeller is exposed to all sorts of attacks underwater, such as rusting and adhesions of the sea. It is the key piece of the ship’s propulsion system, and thus deserves special attention.  The propeller is the element that allows the transformation of the mechanical energy of the engine into propulsion. A propeller in poor state is a disaster


UMC and MPR Join Forces

Worldwide underwater ship maintenance specialists UMC International and Dutch based marine propeller repair specialists Maritime Propeller Repairs (MPR) have signed an agreement to cooperate for workshop and in-water propeller repairs.   The agreement was signed in Asperen, The Netherlands on 23rd September 2011, at an open day hosted by MPR.  More than 300 visitors attended the event, and all were very enthusiastic about the new joint service


Schottel Celebrates CPP Milestone

Schottel SCP controllable-pitch propeller systems of the 5-X series are available with  power ratings from 1,000-20,000 kW.

German propulsion giant Schottel looks back at five decades of  controllable-pitch propeller (CPP) development. CPPs have been developed and produced on the Baltic coast of Germany since 1962 – initially in Rostock, and then in Wismar from 1964. The first units were manufactured for 86 freezer-trawlers of type Tropik for the Soviet Union. Four additional types were produced for GDR fishery vessels. The first years of controllable-pitch propeller production in Wismar centered on


Cruise & Maritime Voyages selects Damen

Marco Polo at DSAm Photo Damen

Damen Shiprepair Amsterdam (DSAm), part of Damen Shiprepair & Conversion (DSC), has completed maintenance works on cruise vessels Marco Polo and Magellan. Both vessels are operated by British based Cruise & Maritime Voyages (CMV), part of the Global Maritime Group


Vancouver Port Selects “PBCF” as Equipment Designated

PBCF (circled in yellow) is being installed. Photo MOL

Mitsui O.S.K. Lines, Ltd. today announced that Propeller Boss Cap Fins (PBCF) was selected as a vessel quieting technology by the EcoAction Program implemented by Port of Vancouver, Canada. PBCF was jointly developed by MOL, West Japan Fluid Engineering Laboratory Co., Ltd


New Trawler Launched in Poland

Photo: Nauta Shiprepair Yard

One of the world’s most powerful pelagic vessels launched at Nauta Yard    A launching ceremony for the partly outfitted fishing trawler M/V Voyager took place February 21 at Newbuilding Division of Nauta Shiprepair Yard in Gdańsk, Poland


New Briese Vessels Sport Schottel Propulsion

Illustrations of Briese multi-purpose vessel “D’Artagnan.” (Image: Groot Ship Design)

Briese Group contracted Groot Ship Design to deliver the design and basic engineering package for four multi-purpose vessels. Schottel performed enhanced CFD investigations to determine the optimal aftship configuration incorporating nozzle support and streamline body between rudder and hull


Tug Huron Goes to Work in Duluth

Photo: Kenneth Newhams / Great Lakes Towing Company

The Great Lakes Towing Company said it has repositioned its Tug Huron to Duluth, Minn. on Monday, January 2, 2017 to enhance capabilities for icebreaking, harbor assist and other services essential to commercial shipping in the Duluth-Superior region.  


Two Turkish-built Tugs Delivered in Canada

Two newly built custom tugboats have been delivered to Canadian based SNC Lavalin to operate during the construction of Montreal's New Champlain Bridge on the Saint Lawrence River.   The new vessels, one 13 meters long and the other 15 meters long


Ferus Smit Launches Arklow Castle

Photo: Copyright 112 Midden-Groningen / Ferus Smit

 Shipbuilder Ferus Smit said it has launched M.V. Arklow Castle at its Westerbroek yard in the Netherlands.   Arklow Castle (Nb. 426) is the third cargo vessel in a series of 10 that will be delivered to Irish owner Arklow Shipping.  


HullPIC conference Showcases Solutions

Photo: DNV GL

 To spur development and raise awareness for hull performance monitoring, DNV GL and paint manufacturer Jotun are inviting industry stakeholders to the second Hull Performance & Insight Conference (HullPIC).    Hull performance monitoring solutions offer significant fuel


Detyens Wins Medgar Evers Overhaul Contract

USNS Medgar Evers (U.S. Navy photo by J. M. Tolbert)

Detyens Shipyards Inc. said it was awarded a $13.6 million firm-fixed-price contract for a 60-calendar day shipyard availability for the regular overhaul and dry-docking of U.S. Navy’ Military Sealift Command (MSC) cargo ship USNS Medgar Evers (T-AKE 13).  


REINTJES Opens UK Branch Office

The new REINTJES branch office is located in the Robert Denholm House, together with other companies. (Photo: REINTJES)

Propulsion specialist REINTJES said it has opened a new branch office in the south of England to service markets in the U.K. and the Republic of Ireland. Opening of the REINTJES Britain & Ireland branch office follows on the cessation of trading by the former distributor European Marine and


Wärtsilä,Tallink Ink Megastar Maintenance Deal

Megastar starts operation on 29 January 2017. Wärtsilä will optimise the vessels performance, enhance its availability and reliability, and improve financial predictability for the customer. Photo Wärtsilä

Wärtsilä has signed a five-year maintenance agreement with Estonia based AS Tallink Grupp for its new RoPax ferry M/S Megastar on the Tallinn - Helsinki route across the Gulf of Finland. Megastar, due to start operation on January 29, 2017


HydroComp PropElements 2017- Update

Image HydroComp PropElements

HydroComp PropElements 2017 – the propeller “design for performance” code from HydroComp,Inc. of Durham NH USA – is the latest build of the company’s commercial software for marine propeller design and analysis. Propeller specialists will find it an essential addition


Gladding-Hearn Delivers to Michigan Pilots

Photo: Gladding-Hearn Shipbuilding

The Lake Pilots Association, District 2, in Port Huron, Mich., has accepted delivery of Huron Spirit, a new Chesapeake Class pilot boat from Gladding-Hearn Shipbuilding, Duclos Corporation.    With a length overall of 52.5’, a beam of 16.7’, and a draft of 4


Viking XPRS Returns to Helsinki-Tallinn Route

M/S Viking XPRS. Photo: Viking Line

 Finnish ferry company Viking Line  continues to modernise its vessels. The M/S Viking XPRS, which has just undergone dry-docking, has been back sailing its usual Helsinki–Tallinn route starting on February 1.    Passengers on the renovated vessel can now look forward


Hyundai Heavy Produces 5,000th Propeller

HHI’s 5,000th Propeller. Photo: Hyundai Heavy Industries

 Hyundai Heavy Industries (HHI) has announced that it held the production ceremony of the 5,000th propeller at its Ulsan factory.   The 5,000th propeller measuring 10.6 meters in diameter and 77 tons in weight is scheduled to be installed on a 300






 
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