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An icebreaker is a brief facilitation exercise intended to help members of a group begin the process of working together or forming a team. They are commonly presented as games to "warm up" a group by helping members get to know each other and often focus on sharing personal information such as names or hobbies. [1] Many people dislike ...
The first IACS Polar Class rules were published in 2007. [3] Prior to the development of the unified requirements, each classification society had their own set of ice class rules ranging from Baltic ice classes intended for operation in first-year ice to higher vessel categories, including icebreakers, intended for operations in polar waters.
Polar-class icebreakers USCGC Polar Star (WAGB-10), USCGC Polar Sea (WAGB-11) are heavy icebreakers operated by the United States Coast Guard (USCG). These cutters, specifically designed for icebreaking, have reinforced hulls, special icebreaking bows, and a system that allows rapid shifting of ballast to increase the effectiveness of their icebreaking.
The world's first diesel-electric icebreaker was the 4,330-ton Swedish icebreaker Ymer in 1933. At 9,000 hp (6,700 kW) divided between two propellers in the stern and one propeller in the bow, she remained the most powerful Swedish icebreaker until the commissioning of Oden in 1957. Ymer was followed by the Finnish Sisu, the first diesel ...
Pilot (Russian: Пайлот (Paylot) was a Russian icebreaker, the world's first steam-powered and metal-ship icebreaker of modern type. Pilot had originally been built as a steam-powered propeller tug. It had the bow altered to achieve an ice-clearing capability (20° raise from keel line).
The United States, Canada and Finland will work together to build up their icebreaker fleets as they look to bolster their defenses in the Arctic, where Russia has been increasingly active, the ...
The Canadian Coast Guard initially tried to acquire two types of polar icebreaker, a Polar 7 and a Polar 10. [5] The Polar 7 was to be of conventionally-powered design and the project was approved in the mid-1970s and German and Milne Ltd of Montreal, the largest naval architect firm in the country, were employed to design the ship. In 1976 ...