Trimaran wind farm boat due from Finland
The Mobimar 18 Wind will be classed to operate in sea state 4.0 Hs, providing safe transfers for service engineers in significant wave heights up to 2.5m.
Finland’s Mobimar Ltd will delivers its first trimaran crew transfer vessel to Meriaura Ltd in March of next year.
The trimaran vessel, Mobimar 18 Wind, claims to challenge current practices by promising to make offshore wind farms accessible for 96 more days per year, greatly improving the profitability.
Thanks to its three slim hulls, the Mobimar 18 Wind crew transfer vessel will operate safely and remains stable in harsh weather conditions. The cabin is comfortable, with a low noise level and seats for 12 passengers. The Mobimar 18 Wind will be classed to operate in sea state 4.0 Hs, providing safe transfers for service engineers in significant wave heights up to 2.5m.
To prevent hazardous situations at the wind turbine and enable a safe disembarkation, Mobimar invented a unique, intelligent gripper system in the bow. While others have to push with full throttle against the wind turbine structure to stay put, this vessel can approach the turbine from either side and run idle during disembarkation. The hydraulics keep the landing platform in position and the water jets in the side hulls make the vessel easy to manoeuvre. The Mobimar 18 Wind trimaran vessel is also promised to be less sensitive for rolling and slamming than monohulls and catamarans.
The slim hulls offer less water resistance, leading to lower fuel consumption and suggesting operating costs could be reduced by up to €200 per hour. This is emphasized by the fact that while the CTV trimaran has one main engine rating at 750 kW, a catamaran would have two similar engines.
The Mobimar 18 Wind has undergone extensive model testing at the VTT Technical Research Centre of Finland. It measures 18m LOA, with a beam of 8.5m and a work deck which is much bigger than that of a monohull. This large deck space can be used for transport of maintenance equipment and as a workspace for work that cannot be carried out at the wind turbines. Mobimar 18 Wind is designed and being built by Mobimar Ltd in Turku, Finland. It will be classed by Bureau Veritas, DNV or equivalent.
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