Multraship Towage and Salvage is testing the first commercial Carrousel Rave tug ordered before it enters service early in 2018. Multratug 32 was pictured during testing sea operations in the North Sea earlier this week.
Multratug 32 and its sister tug, Multratug 33, were designed and developed by Novatug and Robert Allan, and built in Germany by Damen Shipyards. Multraship’s Eline Muller confirmed to Tug Technology & Business last week that Multratug 32 would enter service in January 2018 after an official naming ceremony.
Multratug 32 has Voith propulsion in an in-line configuration and low-drag hull design. It also has a carrousel towing system with a towing point on a straightforward steel ring and can freely rotate around the superstructure of the tug.
In the latest issue of Tug Technology & Business, Robert Allan president and chief executive Mike Fitzpatrick explained that Multratug 32, as a Carrousel Rave tug design, was ideal for harbour and canal towage.
Mr Fitzpatrick said Robert Allan used computer 3D modelling and computational fluid dynamics (CFD) to develop and test its tug designs and propulsion, such as the Rave tug. “We can model Voith drives in CFD and look at tug seakeeping and motion stability,” he said.
Novatug managing director Julian Oggel discussed tug design innovations at the inaugural Asian Tug Technology & Salvage Conference in Singapore in September.