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In cases of very thick ice, an icebreaker can drive its bow onto the ice to break it under the weight of the ship. A buildup of broken ice in front of a ship can slow it down much more than the breaking of the ice itself, so icebreakers have a specially designed hull to direct the broken ice around or under the vessel.
Voima is a Finnish state-owned icebreaker.Built by Wärtsilä Hietalahti shipyard in Helsinki in 1954, she was the first icebreaker in the world to be equipped with two bow propellers [5] [6] [7] and generated widespread publicity that helped the Finnish shipbuilding industry to become the world leader in icebreaker design.
Glacier in 1956.. Glacier was essentially an improved Wind-class icebreaker, larger and more powerful.Like them, her entire hull was designed for great strength. With a relatively short length in proportion to the great power developed, her bow had the characteristic sloping forefoot that enabled her to ride up on heavy ice and break it with the weight of the vessel.
The U.S. military is working to free a Canadian ship trapped in the icy waters of Lake Erie near the Buffalo, NY shoreline. U.S. Coast Guard works to break ice around massive Canadian ship trapped ...
During the development phase, the hull form was extensively tested at the Hamburg Ship Model Basin (HSVA) ice tank with particular emphasis of preventing broken ice floes from flowing under the hull and into the propellers. The result was a production-friendly fully-developable hull form with a semi-spoon bow and large ice plough.
The Carnival Spirit hit a large chunk of ice while sailing through Alaskan waters on Thursday. Nobody was injured and the ship was undamaged. Video shows moment Carnival Cruise ship collides with ...
While initial ice trials in Svalbard demonstrated that the new bow had improved Mudyug ' s icebreaking capability significantly, [18] the barge-like bow worked well only in unbroken level ice. In broken ice and rubble on shipping lanes, it had a tendency of pushing the ice in front of the vessel.
It wasn't the scene from the "ice passage" between the worlds of the living and the dead in Pirates of the Caribbean: At World's End, but it looked a lot like it.