Coaltrans MENA 2020TBA GroupCoaltrans Poland 2020The Wolfson Centre for Bulk Solids Handling Technology ViganBühler GmbH
  • Cimbria Bulk Equipment A/S
  • Coaltrans Poland 2020
  • Sailors Society
  • Coaltrans MENA 2020
  • Telestack
  • Coaltrans School of Coal Singapore 2020

Rudder repairs prevent damage

Rudder repairs prevent damage

(Posted on 03/10/19)

Hydrex teams have carried out several recent rudder repairs on ships in Belgium and France. In all cases cracks were found that needed to be repaired to prevent them from spreading and causing further damage to the rudders.

Hydrex can perform repairs at anchorage on any type of rudder or while the vessel is berthed. In most cases this can be done without interrupting cargo operations. The following case studies give an account of some of the recent examples of this.

A 230-meter roro ship in Zeebrugge had suffered cracks on both sides of the rudder flap. On the starboard side a branching crack was found while a single crack was present on the port side.

Hydrex divers first drilled arrests on all extremities of the cracks to prevent them from spreading. They then positioned C-shaped plates over the crack arrests and secured these with wet welding.

This allowed the owner to sail his ship without having to worry about the condition of the rudder. He can have a permanent repair carried out during the ship’s next scheduled drydock visit at a more convenient time and location.

On two 229-meter sister bulker ships in Le Havre and Dunkirk respectively, cracks were found on the upper pintle corner of the hinge that connects the rudder flap to the main rudder blade. Fortunately these cracks could be repaired by grinding them out after a crack arrest had been drilled. The affected area was then filled with clad welding.

The cracks on these rudders were spotted during an underwater inspection before they caused problems for the ship. This once again shows the benefits of having regular inspections carried out by competent divers, followed by comprehensive and accurate reports. Hydrex teams can detect any problem so that they can be corrected early and prevent the more costly repair which neglect and further damage would bring about.

Latest News

Zero dust In Townsville

(Posted on 14/02/20)

The port of Townsville is booming with volumes metal concentrates. The Australian port is located near... Read more


Don’t forget fire-fighting

(Posted on 14/02/20)

Shipowners looking to retrofit marine exhaust gas cleaning systems as a way of complying with new sulphur... Read more


UWC certification for hopper cars

(Posted on 14/02/20)

Research and production corporation United Wagon Company (UWC), the largest producer of freight cars... Read more


AVEVA’s new design software

(Posted on 13/02/20)

AVEVA, global leader in engineering and industrial software, has announced an important update to its... Read more


3D printing revolution

(Posted on 13/02/20)

Online e-procurement portal for marine spares and equipment ShipParts.com is taking part in a project... Read more


Liebherr giant headed for China

(Posted on 02/02/20)

The LH 150 ET Gantry Port Litronic is not only the first electrically-operated port handling machine... Read more


New market for Ecolifting

(Posted on 31/01/20)

In the last quarter of 2019, Rhenus Logistics B.V. (Rhenus) ordered an eco-efficient Konecranes Gottwald... Read more


WinGD advances clean fuel research

(Posted on 31/01/20)

WinGD (Winterthur Gas & Diesel) has bolstered its investment in fuel research with the development... Read more


Alfa Laval commits to zero-emission vessels

(Posted on 27/01/20)

Alfa Laval has joined the Getting to Zero Coalition, a coordinated effort to fight climate change by... Read more


UWC to supply Sibirsky Krai

(Posted on 27/01/20)

Research and production corporation “United Wagon Company”, Russia’s largest manufacturer... Read more


TOC EventsCoaltrans School of Coal Singapore 2020Cimbria Bulk Equipment A/SCleveland Cascades LtdTelestackPort of Belledune
  • TOC Events
  • Cleveland Cascades Ltd
  • Port of Belledune

Subscribe to our newsletter

Keep up to date with the latest global news in bulk cargo handling and shipping