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A slab of pykrete Pykrete is made of 14% sawdust and 86% water by mass.. Pykrete (/ ˈ p aɪ k r iː t /, PIE-creet) [1] is a frozen ice composite, [2] originally made of approximately 14% sawdust or some other form of wood pulp (such as paper) and 86% ice by weight (6 to 1 by weight).
Conceptual design of Project Habakkuk aircraft carrier with 600-metre (1,969 ft) runway. Project Habakkuk or Habbakuk (spelling varies) was a plan by the British during the Second World War to construct an aircraft carrier out of pykrete, a mixture of wood pulp and ice, for use against German U-boats in the mid-Atlantic, which were beyond the flight range of land-based planes at that time.
With a length of 100.382 metres (329 ft), beam of 21 metres (69 ft) and draft of 8.666 metres (28 ft), Kronprins Haakon is the largest Norwegian icebreaker ever built despite being slightly shorter than Svalbard, the 6,375-ton icebreaking offshore patrol vessel operated by the Norwegian Coast Guard. [2]
Scale model of the Project 23550 patrol ship. Project 23550 patrol ships have a planned displacement of 8,500 tonnes (8,400 long tons; 9,400 short tons), a length of 114 metres (374 ft 0 in) and a draught of 6 metres (19 ft 8 in). [10] The ships will be equipped with two Raptor-class patrol boats, a Ka-27 helicopter and small hovercraft. The ...
The Purga class, Russian designation Project 22120 Purga , is a series of ice-strengthened patrol ships designed by Petrobalt Design Bureau and being built by Almaz for the Russian Coast Guard. Project 22120 is a new generation border patrol vessel with an icebreaking capability, allowing it independent navigation in areas with ice thickness up ...
During icebreaking operations, the ice friction is reduced by lubricating the hull-ice interface with a 750 kW (1,010 hp) low-pressure air bubbling system developed by Wärtsilä. [14] In open water, the system can also act as a bow thruster and used for maneuvering together with the ship's single centerline rudder and a 500 horsepower (370 kW ...
The ship was laid down by the Toledo Shipbuilding Company of Toledo, Ohio, on 14 July 1941. Storis was launched on 4 April 1942 and commissioned on 30 September 1942 as an ice patrol tender. Initially assigned to the North Atlantic during World War II , Storis participated in the Greenland Patrols . [ 2 ]
MSV Nordica is a Finnish multipurpose icebreaker and offshore support vessel. Built in 1994 by Finnyards in Rauma, Finland, and operated by Arctia Offshore, she and her sister ship Fennica were the first Finnish icebreakers designed to be used as escort icebreakers in the Baltic Sea during the winter months and in offshore construction projects during the open water season.