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Wednesday, 07 August 2013 09:17

A fundamentally new type of icebreaker will break the ice, moving sideways.

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In most cases, a small ice-breakers, clearing the way for a large vessel to make two or more passes in order to make way for their slave ship. The exception to this are the only court-class icebreaker "Arktika" and the like, which left a trail sufficient for the passage of vessels of large tonnage, but such icebreakers, which are the most powerful icebreakers in the world today, you can literally count on one hand.

To work in less extreme conditions, specialists of the Finnish shipyard Arctech Helsinki Shipyard developed and began manufacturing a light icebreaker unique designs. Due to the asymmetric shape this icebreaker can break the ice, moving at an angle of 30 degrees to the direction of motion, which can significantly extend the purified them from the ice road.

Experts called the shipyard under construction Arctech icebreaker "Icebreaking rescue vessel NB 508", but after the completion of the ship will be named "Baltic" and be made available to the Russian Ministry of Transport. The vessel "NB 508" will be used not only for breaking the ice and wiring of other vessels, its main task will be to participate in search and rescue operations and operations in the aftermath of oil spill in the Gulf.

In the lower part of the vessel there are three main water jet engine, each of which can rotate 360 degrees. This means that for maneuvering the vessel would not have to repeatedly pass back and forth, as we have to do the ordinary courts. Turning 30 degrees to the direction of motion of the vessel "NB 508" will be able to clear ice from the band width of 50 meters, which is not too small, given the fact that the overall length of the vessel is 76 meters, width - 20.5 meters.

Three diesel generators provide electrical production of 9 MW of energy, and energy is full thrust, which is able to develop engines of the vessel is 7.5 MW. This is enough to break the ice thickness of 0.6 meters, moving sideways, and moving straight like a normal icebreaker, the vessel "NB 508" can cope with ice thickness of 1 meter.

The design of the vessel "NB 508" was developed by Aker Arctic Technology, and the construction of the icebreaker was launched at the shipyard Arctech June 28 this year. Completion of construction is scheduled for the spring of next year, when, after a brief test run the new icebreaker will be placed at the disposal of the customer.


Source: http://www.dailytechinfo.org/auto/5056-principialno-novyy-tip-ledokola-budet-lomat-led-dvigayas-bokom.html

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