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Wednesday, July 22, 2020 

Schottel of Germany has introduced a new series of medium-sized azimuth thrusters, known as the M-series and comprising several sizes covering a power range of 400 to 1,000 kW.

Schottel has launched the M-series in answer to the company's perceived challenges in the international maritime market, such as shifted engine power classes, updated ice class rules and an increasing number of electric or hybrid-driven vessels. The azimuth thrusters, which combine the latest technologies in mechanical engineering, hydrodynamics and digitalisation, are available in three sizes: 210 (640 kW), 240 (850 kW) and 270 (1,000 kW), corresponding to common engine power classes. All sizes are equipped with a powerful planetary steering gear.

The M-series is considered to offer a solution for any vessel type and application with a range of various power source options and input directions. The azimuth modules are available for Z-drives, L-drives and ZY-hybrid drives, making them suitable for horizontal electric, vertical electric or combined direct engine plus horizontal electric motor connection. Thus, the M-series thrusters are compatible with hybrid solutions such as Schottel Sydrive.

Thanks to two basic installation variants, the M-series is suitable for various types of vessel design. Besides the standard installation with variable propeller arm length, a compact minimised variant with shorter propeller arm length is available. These compact installation variants (LC for L-drives, ZC for Z-drives) offer greater design freedom for designers, while leaving more space for other equipment. Both the standard and the compact variant can be bolted, welded or resiliently mounted.

Two different propulsion modules ensure that the M-series can be used for multiple operation profiles. The proven design achieves high bollard pull and maximum propulsion efficiency for vessels with medium speeds.

The Schottel EcoPeller (SRE) ensures propeller performance, overall efficiency and course stability in demanding applications and when running at higher service speeds, for example, with ferries. The SRE reduces both fuel consumption and emissions and thereby leads to lower operating costs.

The M-series modular design allows for multiple configuration options: versatility and flexibility in the medium power range, high reliability, optimal spare part availability, and good retrofit options – all combined with the propulsion efficiency thanks to latest hydrodynamic optimisation and mechanic design.

The first propulsion units of the new M-series have recently been delivered and will soon be put into operation.

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