NS-321 Type TWIN SCREW HARBOUR TUG
NS-321 Print
Wednesday, 28 October 2009 10:23

TYPE OF THE SHIP

Single deck, twin screw with two tier superstructure tug boat, designated for towing and pushing other ships in harbours, at roadstead and in the coastal waters.

MAIN CHARACTERISTICS

  • Length over all
  • Length between perpendiculars
  • Breadth with fenders
  • Moulded breadth
  • Depth
  • Draught
  • Full displacement
  • Bollard pull
  • Maximum speed
  • Propulsion
  • Range
  • Crew

22.10 m
20.00 m
abt 7.00 m
6.60 m
3.20 m
abt 2.30 m
abt 157 t
172 kN
11 knots
2 x 550 kW
abt. 700 Nm
5 persons

TOWING GEAR

  • 1 towing hook 200 kN, attached to aft superstructure wall, released remotely from the wheelhouse;
  • 1 steel tow-rope Æ 36, 150 m length, kept at the drum;
  • 1 double cross bitt at the stern (for sea towing);
  • 1 towing beam;
  • 1 stern pipe.

PROPULSION

The tug boat is driven by two diesel engines with two reduction-reversing gearboxes, two fixed pitch propellers in Kort nozzles and two parallel blade rudders.