RENK receives order for gearbox and electric propulsion motors for F126
23 juni 2022
The general contractor Damen Naval and RENK have signed a contract to supply gearboxes and innovative electric propulsion systems, initially for four new 126 Class (F126) frigates for the German Navy.
In the process, the Augsburg-based propulsion specialist continues its decades-long cooperation with the German Navy. Ships such as the predecessor classes F125 and F124 are equipped with RENK gearboxes. RENK has also maintained a long and successful partnership with Damen Naval, one of the world’s most innovative shipbuilding companies. This has included the construction of frigates and offshore patrol vessels for the navies of the Netherlands, Mexico, Morocco, and Indonesia.
The new propulsion system represents one key difference between the future F126 and older frigate models: The combined diesel electric and diesel (CODLAD) propulsion system provides a top speed of more than 26 knots.
Second generation advanced electric drive (AED)
RENK's gearboxes are equally sophisticated and simultaneously connect each diesel engine with its drive shaft. The propulsion systems specialists from Augsburg not only supply the gearbox but also the RENK advanced electric drives (AED). These electric propulsion motors drive the propellers either individually or together with the diesel engine. This is the first time the German Navy is utilising this propulsion concept.
Extremely low noise emissions
The CODLAD configuration offers a proven and ideal combination of increased power density, noise reduction through soft-elastic bearings, and flexible couplings as well as low weight and low installation height. The second evolutionary stage of the AED will now be installed on the F126 frigates. RENK has optimised significant aspects of the drive system for naval applications. As a consequence, the design meets the low noise levels specified by the German Navy. This makes the new frigates difficult to detect, particularly in the lower speed range covered by the AED.
High value creation in Germany
RENK manufactures the gearbox and drive components for the F126 with a high degree of German added value. As a proven supplier to the Navy, RENK has been closely involved in the F126 project since the initial project studies when the vessel was still referred to as the "Multi-Purpose Combat Ship 180 (MKS 180)". In June 2020, the Federal Office of Bundeswehr Equipment, Information Technology and In-Service Support (BAAINBw) ultimately awarded the construction contract for the four ships to the Dutch shipbuilder Damen as the general contractor. Damen Naval will deliver the approximately 166-metre-long frigates to the German Navy as general contractor together with its sub-contractors Blohm + Voss and Thales. The ships will be constructed entirely in Germany at shipyards in Wolgast, Kiel and Hamburg. The first ship will be handed over in Hamburg in 2028. The contract includes an option for two further frigates.
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