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Following increasing political and public attention to sustainable issues – the Paris Climate Agreement and numerous green innovations, for example – the call for change in the maritime industry has never been larger.

C-Job shares the burden for a sustainable future by designing vessels with green tecnhologies embedded into the ship design. The most recent example is the double-ended ferry Texelstroom.

 

Another example is the FF4500 which resulted from the SAIL project funded by the Dutch province of Friesland. This was a concept design for a cargo vessel that used wind-assisted propulsion technology in the form of four Rotor Sails.

4500 dwt Flettner Freighter

 

Taking that concept design a step further, C-Job is currently designing a larger version of the FF4500 for Switijnk Shipping, a family-owned Dutch shipping company. The design, called the Flettner Freighter, is gradually taking shape as can be seen on the picture below:

8000 dwt flettner Freighter

 

There are some significant differences in the new design. First of all, it is larger: now with 8,000 dwt instead of the previous 4,500 dwt. Secondly, the Flettner Freighter is installed with two Rotor Sails (with different dimensions). Rotor Sails are rotating cylinders that utilise the Magnus effect to create a propulsive thrust. The Magnus effect acts at 90 degrees to the direction of the prevailing wind.

 

 

The magnus effect

To learn more about the Magnus Effect, watch this video.

 

 
 
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