Damen’s new reverse stern drive tug on tour in Italy
Damen has started an introduction tour of European ports including Italy showcasing its ‘revolutionary’ new RSD Tug 2513 Innovation.
Damen describes the design of the RSD Tug 2513 as ‘radical’ and follows extensive industry consultation to find solutions to the demand for tugs that are compact for operations in and around harbours and terminals yet have the power and flexibility to manoeuvre the largest vessels safely, quickly and efficiently within restricted waters. The news that vessel number one is touring Mediterranean ports is significant and perhaps a statement of intent.
The design combines elements of both tractor and ASD tugs creating a vessel that effectively has two bows, enabling it to always operate bow first, equally effective at bow assist and stern assist operations with a Damen Twin Fin skeg providing excellent course-keeping characteristics. Perhaps a key feature of this new design is the inclusion of a higher freeboard than is usual on a tug of this size with 1.1m high bulwarks improving safety and stability. Bollard pull ahead (push) is 75t and 71t astern (pull).
Twin MTU 16V 4000 M63L engines deliver 4,480bkW (6,008bhp) at 1,800rpm powering Rolls-Royce thrusters with slipping clutch couplings and mounted at a slight angle for optimal performance. Caterpillar provide two C4.4 TA 81kVA gensets.
An in-house developed hydraulic split-drum towing winch (31t pull, 175t brake) and towing staple are mounted at the skeg end of the tug with the winch integrated into the deck. Classed by BV, Innovation is 24.73m LOA on a beam of 13.13m and draught aft of 5.5m with a displacement of 525t (98% consumables). It has fuel oil capacity of 77.4m3 and 10.2m3 of fresh water and off-ship firefighting capability is an option. The heaviest fendering is at the skeg/winch end with cylinder and block bow fenders and D-fender along the sides and aft.
Other features worthy of mention include cloud-based remote monitoring, optional selective catalyst reduction for reduced emissions and IMO Tier II or optional Tier III along with hybrid versions available. A flexible glued superstructure results in minimum noise and vibration and automation and remote control allows for an unmanned engine room, manageable even from the shore. Accommodation is provided above main deck for four persons.
By Peter Barker
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