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One class of biomimetic antifouling coatings is inspired by the surface of shark skin, which consists of nanoscale overlapping placoid scales that exhibit parallel ridges that effectively prevent sharks from becoming fouled even when moving at slow speeds. The antifouling qualities of the shark skin-inspired designs appear highly dependent upon ...
Sharklet is a bio-inspired material that was invented by Anthony Brennan, a materials science and engineering professor at the University of Florida, while working to improve antifouling technology for ships and submarines at Pearl Harbor.
Troy was covered in SkinFlex fabric combined with glass and sand to make it look and feel like shark skin. [3] The "skin" was sewn together on the top and held together with Velcro on the bottom. [4] Under that was a layer of bullet-proof Lexan and 2-inch-thick (5.1 cm) steel "ribs" to allow the submarine to survive a shark attack.
Early Sea Snarks featured an unclad one-piece injection-molded EPS hull and the hull weighed approximately 30 lbs. Later versions, marketed s the Sunflower, Super Snark and Super Sea Snark featured a vacuum formed layer of ABS (later ASA) [7] bonded over the EPS hull for a hull weight of 43 lbs. Snark Products patented the cladding process, which eliminated the possibility of voids within the ...
The boat must be hauled on a sled pulled by snowmobile over very rough trails cut through the ice ridges to locations where there are open leads in the ice pack, where it is used to catch whales. The skin cover on an umiak will last for two or three years, as does an aluminum boat used in the same way; however, replacing the skin on an umiak is ...
The word bidarka or baidarka is the Russian name used for Aleutian style sea kayak. [1] The word was coined by early Russian settlers in Alaska, who created it by adding the diminutive suffix "-ka" to the name of another, larger boat that the Aleuts called the umiak and Russians called "baidara".
Metal Shark Boats is an American developer and builder of aluminum-hull vessels that operates shipyards in Jeanerette and Franklin, Louisiana. [1] It offers a variety of vessels ranging from commercial transportation to specialized law enforcement and military applications.
Ocean Guardian is the manufacturer of Shark Shield shark repellent devices. The Ocean Guardian electronic devices create an electromagnetic field to deter shark attacks and are used by surfers, scuba divers, snorkelers, spearfishers, ocean kayak fishers, swimming areas off boats and for ocean fishing.