Enhancing ship efficiency and reducing environmental impact

The Becker Twist Rudder from Becker Marine Systems represents an advanced technological development specifically designed to effectively utilise the rotating water flow generated by propellers. Its unique twisted profile prevents the formation of low-pressure areas on the rudder surface, which typically cause cavitation and erosion damage. This design allows for higher rudder angles at higher speeds and reduces rudder drag, thereby enhancing the propulsion efficiency of the vessel.

The special shape of the Becker Twist Rudder ensures that rudder self-induced cavitation is minimised, which not only extends the life-time of the rudder but also reduces maintenance and repair costs. The twisted profile ensures that propulsion efficiency is enhanced by recovering losses from the propeller slipstream. These improved features offer significant benefits for ship handling and the environment. Overall, the Becker Twist Rudder represents a superior solution that significantly improves both the performance and environmental compatibility of modern shipping.

Structure of the Becker Twist Rudder

Advantages of the Becker Twist Rudder

  • Reduced cavitation and rotational losses
  • Significant power savings
  • Optimised profile for enhanced performance and reduced drag
  • Lighter weight and absence of cast parts for improved efficiency
Becker twist rudder

The Becker Twist Rudder is exceptionally compatible with

  • General cargo vessels
  • Container vessels
  • Ferries & Vehicle Carriers
  • Passenger vessels
  • Gas Carriers

Options of the Becker Twist Rudder

Heel Pintle
King Support
Rudder Bulb
Heel Pintle

Heel Pintle

Safe rudder usage on small ships

Becker Marine Systems offers the option to equip the Becker Twist Rudder with a heel pintle and heel pintle bearing. Heel pintles are typically used on smaller vessels such as fishing boats, offshore ships, workboats, and tugs, providing additional stability and enhanced manoeuvrability.

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Becker heel pintle option for manoeuvring systems
See arrow: The heel pintle arm acts like a rope guard and protects the rudder from ropes and nets.
King Support

King Support

Efficiency and stability for large ships

King Support technology is characterised by the integration of the main neck bearing directly in the rudder blade. This design is primarily used in larger ships with a rudder surface of over 20 square metres. This advanced technology enables Becker to manufacture more efficient rudders with slimmer profiles and therefore less resistance. King support rudders contribute significantly to the overall efficiency of the vessel.

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Illustration of a Becker Flap Rudder with King Support
Rudder with King Support: KSR position of neck bearing. The same hydrodynamic forces on the rudder result in lower stress and bending moments due to the shorter distance between the centre of gravity and the neck bearing, as well as reduced reaction forces on the neck and carrier bearings.
Rudder Bulb

Rudder Bulb

Boosting ship efficiency

The Becker Twist Rudder can be equipped with a rudder bulb, specially designed to enhance the ship's overall propulsive efficiency. The rudder bulb addresses the issue of the hub vortex – a strong swirling flow formed behind the propeller that leads to efficiency losses and potential cavitation damage. As an optional addition to the Becker Twist Rudder, the rudder bulb offers a valuable solution to increase the overall efficiency of the ship.

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Illustration of the Becker rudder bulb
Rudder with rudder bulb.

Proven performance for your ship

At Becker Marine Systems we attach great importance to the efficiency and performance of our manoeuvring systems. In a market characterised by strict regulations, our aim is not only to make ships more efficient, but also more sustainable. In order to fulfil these high requirements, we carry out extensive development, testing and measurements of our rudders. CFD simulations and model testing are an integral part of our design process. This allows us to evaluate the performance of our rudder solutions in direct comparison with other manufacturers and ensure that our products meet the highest standards in terms of efficiency and performance. 

Technology & Innovations

We are proud that our rudder solutions are regularly selected as the preferred choice for new builds and retrofit projects, underlining our leading position in the field of maritime efficiency technologies.

Becker Product brochure

Becker Product Brochure

Becker Rudder systems

Title of Becker rudder systems brochure
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Becker Marine Systems
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(German office hours)
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