MAN Supply Dredger Propellor Blade & Nozzle Upgrade

Press Release
Wednesday, December 05, 2012
MAN Alpha Prop & Nozzle: Photo credit MAN

NCC-owned dredger benefits from recent PrimeServ exchange and modernisation of propeller blades & propeller nozzle – with payback time of just 1½ years
.

MAN Diesel & Turbo’s PrimeServ division in Frederikshavn has, in close cooperation with shipowner and constructional engineering company NCC, performed a propulsion equipment upgrade for the ‘M/V Baltic’, a 900 m³ sand and gravel dredger.



NCC has a fleet of five ships and was, as a starting point, interested in the upgrade of the Baltic. The vessel, which was built in 1983, had – during many years of operation – suffered from propeller and aft-ship vibrations resulting in high noise levels in the accommodation. Eventually the nozzle broke loose from the hull.



In January 2012, the PrimeServ retrofit department in Frederikshavn entered a dialogue with NCC Chief Superintendent, John Jeppesen, on the design of new propeller blades and a new, customised propeller nozzle – with the priority being increased propulsion efficiency and fuel savings. The propeller-blade design chosen was a medium-skew blade profile for ducted operation with a MAN Alpha AHT nozzle – customised with a length/diameter ratio of 0.5. The new nozzle and blades were installed in April 2012 while the vessel was docked at Svendborg Shipyard, Denmark.


The financial aspect of the project has also proved very attractive for NCC with an estimated payback time of 1½ years.

MAN Alpha propellers cover a power range from 4 to 40 MW with fixed pitch and controllable pitch propellers in four and five-bladed executions. The propellers are designed and optimised for a vast number of vessels of different design and applications, from cargo vessels, ferries, cruise ships, offshore vessels, tugs and work boats to fishery and navy vessels.

Maritime Reporter January 2015 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Technology

Zamakona, Finnish GS-Hydro Ink Deal

The presentation ceremony of the Finnish multinational leader in water services GS-Hydro, new partner of Zamakona Yards in Canarias was held yesterday (January 29th at 7 p.

HII Acquires Engineering Solutions Division

Huntington Ingalls Industries (HII) has acquired the Engineering Solutions Division of The Columbia Group, a designer and builder of unmanned underwater vehicles

'World's First Hybrid Superyacht'

Developed by Dutch shipbuilders Feadship, the 83.5m Savannah is touted as the world's first hybrid super yacht. Vessel is 30% more fuel efficient than similar sized counterparts, claims the company.

Marine Propulsion

Wärtsilä to Power LNG-fueled RoPax Ferry

A ferry being built for Sweden’s Rederi AB Gotland will be fueled by LNG, featuring a Wärtsilä integrated solution which includes a complete LNG powered propulsion- and fuel storage and supply system,

First Container for LNG Hybrid Barge

The HUMMEL (bumblebee) LNG Hybrid Barge will enable Becker Marine Systems to supply low-emission power to cruise ships lying at port in Hamburg. The first container

IntelliJet: Cleantech Propulsion for High Speed Applicatios

IntelliJet Marine, Inc. will present a paper on propulsion and computer simulation for sustainable high speed boats and ships at ASNE Day 2015.   Jeff Jordan

Ship Repair & Conversion

Raytheon Anschütz Opens Service Center in Panama

German navigation system manufacturer Raytheon Anschütz has established its new subsidiary Raytheon Anschuetz Panama, S. de R.L., in Panama City.   The new company,

Imabari to Construct Newbuilding Dry Dock

In order to accommodate construction of Ultra-Large newbuilding vessels including recently secured 20,000TEU Mega container ships (about 400m in length and about 59m breadth),

German Shipowner Worst Global Dumper -NSP

German shipowner Ernst Komrowski topped the list of the worst global dumpers with 14 end-of-life vessels sold to the beaches, according to a press release from NGO Ship-breaking Platform (NSP).

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Maritime Standards Offshore Oil Pod Propulsion Port Authority Salvage Ship Electronics Ship Repair Ship Simulators
rss | archive | history | articles | privacy | terms and conditions | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1785 sec (6 req/sec)