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Marine Propulsion & Auxiliary Machinery

Marine Propulsion & Auxiliary Machinery

Propulsion supplied for new Turkish tug series

Fri 09 Nov 2018 by Martyn Wingrove

Propulsion supplied for new Turkish tug series
Sanmar cut the keel on a Sirapinar tug for PKL Flote at the end of October

Engines and thrusters are being supplied to a new series of tugs being built in Turkey for mainly European tug operators.

Caterpillar has been tasked with supplying pairs of engines and Schottel is building thrusters for the Sirapinar-class of tugs that Sanmar Shipyards is building for a growing orderbook.

At least eight of these tug newbuildings have been sold, or are in the process of being contracted to operators in the Mediterranean region, northern Europe and the Middle East.

Each of these azimuthing stern drive (ASD) tugs come with twin Cat 3512C main diesel engines, each able to produce of 1,500 kW of power, driving two Schottel type SRP 360 fixed pitch Rudderpropellers mounted aft.

These harbour and escort tugs will have a bollard pull ahead of around 50 tonnes and an overall length of 22.4 m. Sanmar is in negotiations to sell two tugs to a Scottish islands council.

Two more will be supplied to a Spanish owner and two to an Italian operator. Sanmar has also sold one for towage in the United Arab Emirates and another to Alfons Hċkans subsidiary, PKL Flote, for towage and berthing support in Latvia. They are all scheduled to be delivered in 2019.

Robert Allan produced the Sirapinar design as a smaller version of Sanmar’s Boğaçay series tugs.

Sanmar sources propulsion systems from different manufacturers. In September, the Turkish tug builder signed a contract with Veth Propulsion for Z-drives for its Yeniçay series of harbour and escort tugs. These vessels each has two Veth VZ-900 Z-drives, which produce 968 kW at 1,800 rpm and come with a VOB50 nozzle of 1.70 m.

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