The propulsion power and ice-
”They are also slightly larger in size –
”This is the first design for a large
strengthening of the vessels have been
both in length and in width. Furthermore,
icebreaker vessel that is equipped with
increased to adapt the ships to the oper-
a new positioning system will be added,”
a rotatable propeller device, yielding the
ational requirements encountered in the
Suojanen explains.
capability to break ice in more directions
Arctic seas.
than one.”
”The previously designed ARC 130
At present, negotiations are ongoing
icebreakers were to be used in the Baltic
for possible new projects for arctic vessels.
Sea environment. For the Arctic regions, a
more sturdy ice-class and a better icebreaking capability will be needed.”
The new type of vessel is designed
to break 2-metre level ice with 0.3-metre
“
The new type of
Increasing ship traffic in the arctic regions
vessel is designed
will inevitably increase the need for new
to break 2-metre level ice.
icebreakers and other specialised vessels.
Aker Arctic Technology has successfully completed icebreaking tests for
another new vessel type with three azi-
snow cover in two directions. It can also
muth thrusters that can be utilised for
operate in thick consolidated brash ice and
kinds of ice conditions.
Compared to 19 megawatts (MW)
breaking ice in lateral direction. This design
propulsion power in the older ARC 130
is cost-efficient, allowing the vessel to
type icebreakers, the new ARC 130 A type
has improved maneuverability in various
break more ice with less power.
FURTHER DEMAND
ships are equipped with nearly 22 MW of
FOR ARCTIC VESSELS
propulsion power.
that
the ship’s movements. The results were
that the new icebreakers will run on die-
advanced icebreakers of this kind have
even better than we expected,” rejoices
sel oil, instead of LNG fuel.
not previously been designed in Finland.
Suojanen.
Another difference to the older design is
24
seatec 2/2015
Mr.
Suojanen
”In addition, we tested the new
automation system designed to control
emphasises