First X-BOW Workboat to be Fitted With VSP

Press Release
Tuesday, April 02, 2013

The infield support vessel (ISV) ‘Siem Moxie’ will be the first Ulstein X-BOW workboat to be fitted with two Voith Schneider Propellers (VSP).

X-BOW vessels are characterised by the absence of a bulbous bow. Their bow slopes backwards above the water line which results in reduced resistance and improved wave slamming characteristics on the foreship.

Designed for specific tasks in wind farms in the North Sea as well as in the Atlantic, the work boat with a length of 74 meters and a beam of 17 meters will be fitted with two electronically controlled VSP of the size 28R5 ECS/234-2. They have a propulsion power of 1,850 kW each and will be arranged in the stern. The two Voith Schneider Propellers will also be used for active roll stabilization as well as for dynamic positioning (DP class 2). The entire propulsion system as well as the DP system will be controlled centrally. The interfaces for propeller and roll stabilization control will be provided by Voith.

For the ‘Siem Moxie’, model tests were carried out at the Hamburg Ship Model Basin. The favorable interactions between the VSP and the X-BOW design result in lower vibrations, a reduction in fuel consumption and therefore in reduced emissions. The new workboat will not only allow faster transfers of the up to 60 crew to the wind farms but will also ensure more efficient operation under DP conditions. Given the more stable position of the vessel, even adverse sea and wind conditions still permit work to be carried out on the 200 square meter work deck as well as close to the offshore units.

Once the ‘Siem Moxie’ has reached her operating site, engineers can safely cross to the individual wind turbines using a gangway with a wave compensation unit – a process during which the advantages of the Voith roll stabilization and the two VSP are at their most impressive.

In addition to wind farm tasks, the Norwegian owner Siem Offshore AS intends to use the vessel for cable laying operations in the North Sea and in the Atlantic. The vessel is currently being built by the Fjellstrand AS shipyard in Norway and is due to be delivered in the Spring of 2014.
 

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

Shipbuilding

BMT Isis to Support NATO Submarine Rescue System

BMT Isis (BMT), a subsidiary of BMT Group Ltd, has announced that it will provide safety and environmental support for JFD’s five-year contract with the UK Ministry

Tsuneishi Seeks Foothold in Indonesian Shipyard Business

Japanese shipbuilding and maritime transport company Tsuneishi Holdings  has expressed a commitment to invest up to $40 million to open ship repair services in Indonesia, reports The Jakarta Globe.

CAT’s New Dual Fuel Engine M 4G DF

At the beginning of 2015 the exhaust limit values for sulfur oxides (SOx) grew ever tighter in emission controlled areas. And with the start of 2016, nitrogen oxides

Offshore

Sea Shepherd Global Launches Operation Siracusa

Following on from the incredibly successful 2014 campaign, Sea Shepherd Global launches Operation Siracusa 2015. Led by Sea Shepherd Italia, the campaign aims

Former Petrobras Exec Sentenced to 5 Years Jail

A Brazilian judge sentenced a former international director at state-run oil firm Petroleo Brasileiro SA to five years in prison for money laundering on Tuesday,

Kongsberg Technology for Johan Sverdrup Field

Kongsberg Maritime has been awarded a call-off order for delivery of the Safety and Automation System (SAS), Life Cycle Simulator and SAS Information Management

Workboats

Ailing Mariner Medevaced Near Alaska

A U.S. Coast Guard Air Station Sitka MH-60 Jayhawk helicopter crew medevaced an ailing mariner from Deep Bay, 25 miles north of Sitka, Sunday.   The Jayhawk crew

Natural Gas Articulated Conduit System Patented

Elliott Bay Design Group (EBDG) announced that long-time partner Moran Towing Corporation has been granted US Patent 8,967,174 for "Articulated conduit systems

New Bridge Unveiled for US Pushboats

New pushboat bridge unveiled for USA Inland Shipping Expo JRC and Alphatron Marine will introduce a new pushboat bridge concept dedicated for the American river and inland waterways.

 
 
Maritime Careers / Shipboard Positions Maritime Security Maritime Standards Navigation Pod Propulsion Port Authority Salvage Ship Repair Ship Simulators Winch
rss | archive | history | articles | privacy | 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: 0.1877 sec (5 req/sec)