Azistern 3280 GREENTUG Harbour Tug

OSD-IMT Our Design Legacy Azistern 3280 GREENTUG Harbour Tug

Overview

This 33-metre loa Diesel Electric GREENTUG will have a bollard pull of 80 tonnes and will be powered by three diesel gensets driving electric motors mounted over azimuthing propellers aft and a Voith in-line thruster forward. The Azistern 32/80 tug is a further development of the low-emission Azistern series developed by OSD. It is expected to reduce emissions by 30 per cent compared to conventional, similar-sized harbour tugs now in service.

Michiel Wijsmuller, managing director of OSD, says, "The design and demand for this low-emission tug stems from our successful work developing the zero-emission Green Tug design. We can see the market is not yet ready for fuel cell power for harbor tugs, but we can take from the development work other aspects of the design which minimise emissions. This vessel will have a very refined and efficient hull form and a sophisticated power management system which will ensure that the gensets work always at their best efficiency."

Key points of the design brief are a relatively large deck crane to enable the tug to do maintenance work for wind farms at sea, electrical winches, low resistance and low-wash hull form and accommodation for nine men.

Principal characteristics

Lenght hull:
32.80 m
Breadth mld:
13.30 m
Draft design:
5.10 m
BP:
80 t

Other information

Speed:
13 knots
Engines (max):
2x 2700 kW
Sewage Approx:
8 m3
Thrusters (max):
2x 2800 mm
Gross Tonnage:
499 GT
Fuel Oil:
220 m3
Fresh Water:
35 m3
FiFi:
2x1200m3/h
Accommodation:
9
Winch Forward:
Dble Drum
Winch Aft:
Waterfall

OSD Azistern Tug Brochure

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Azistern3280 DE Greentug 2