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Shipyard Niestern Sander installs first ventifoil system on board MV Ankie

17 January 2020
Shipyard Niestern Sander installs first ventifoil system on board MV Ankie

In September 2019 Van Dam Shipping signed a contract for the installation of a Ventifoil system on board their 3.600 DWT cargo vessel Ankie. Recently this vessel arrived in the port of Delfzijl to install this system. Subsequently, shipyard Niestern Sander has installed the first Ventifoil system on board the MV Ankie.

The Ventifoil is an wing-shaped element that uses modern innovation in aerodynamics to create a high propelling force compared to its relatively small size. The modular Ventifoil units, which consist of a non-rotating wing with vents and an internal fan, use boundary layer suction to increase and control propulsion force. The integrated smart suction in the wing allows for the doubling of the force of the Ventifoil, while reefing when needed.

The Ventifoil is deployed at the command of the captain and further operation is carried out automatically with angels optimal to the wind. The generated force allows for the vessel’s motor power to be reduced wile the same speed is maintained.

The installation on the MV Ankie features two 10m high wings with a solid end-plate. The Ventifoils generate a substantial force, so with the wings in place, the vessel’s sailing characteristics, fuel savings and stability will undergo testing. If the tests run smoothly and prove that there is adequate space and stability to the length, 6m-long foldable extensions will be built and connected to the top plate.

Fuel savings on the MV Ankie are expected to be around 15%, depending on her exact sailing routes and actual wind conditions. Under ideal circumstances, the Ventifoils could generate 25-30% of her propulsion.