Page 44: of Marine News Magazine (May 2020)

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Remote control trials using a Multraship

Carrousel Rave Tug are scheduled to take place in the summer of 2020.

At Voith,

R&D Drives Ef?ciency Gains

Voith and Other Improvements oith propellers can be found on a various vessel types, immense advantages for maneuvering vessels or dynamically primarily ?tted on tugs, ferries, yachts and offshore positioning (DP) vessels. These lead to more safety, operations support vessels – “wherever the demands on maneu- in higher seas and lower fuel consumption,” Jürgens said.

V verability, ef?ciency, ship safety and comfort are high,” says Voith VSPs have been chose for The Staten Island Ferry’s three

Dr. Dirk Jürgens, head of R&D at Voith Turbo Marine, part new 320-foot Ollis class newbuilds, designed by Elliot Bay De- of the family-owned Voith conglomerate which employs more sign Group and currently being built by Eastern Shipbuilding.

than 19,000 people in 60 countries. Jürgens said Voith has done a lot to ensure VSPs drive the

The manufacturer’s unique Voith Schneider Propeller (VSP) newbuilds, including numerous CFD calculations and “a gigan- propulsion system can be built with up to 4 MW input power tic model test program” in the Dutch research institute MARIN. and enables thrust adjustments to be made quickly and accurately. Voith and the vessel owner together decided the ferries should “The decisive feature of the VSP is its fast and accurate thrust be equipped with two large type VSP 36RV6 – as opposed to adjustment; no other type of propeller comes close. The fast four smaller VSPs such as the VSP28 – achieving “the optimum thrust adjustment and a different type of thrust adjustment (ac- in terms of robustness and power ef?ciency”, Jürgens said. “Also, cording to an X/Y logic and no turning of a thrust vector) bring the electronic control of the VSPs and the switching of the gas

May 2020 44 MN