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Sleighing
Sledding, sledging or sleighing is a winter sport typically carried out in a prone or seated position on a vehicle generically known as a sled (North American), a sledge (British), or a sleigh. It is the basis of three Olympic sports: luge, skeleton and bobsledding. When practised on sand, it is known as a form of sandboarding. In Russia sledges are used for maritime activities including fishing and commuting from island to island on ice. History The practical use of sleds is ancient and widespread. They were developed in areas with consistent winter snow cover, as vehicles to transport materials and/or people, far more efficiently than wheeled vehicles could in icy and snowy conditions. Early designs included hand-pulled sizes as well as larger dog, horse, or ox drawn versions. Early examples of sleds and sledges were found in the Oseberg Viking ship excavation. The Toboggan sled is also a traditional form of transport used by the Innu and Cree of northern Canada and the ...
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Bobsled
Bobsleigh or bobsled is a team winter sport that involves making timed runs down narrow, twisting, banked, iced tracks in a gravity-powered sleigh. International bobsleigh competitions are governed by the International Bobsleigh and Skeleton Federation, also known as FIBT from the French . National competitions are often governed by bodies such as the United States Bobsled and Skeleton Federation, Bobsleigh Canada Skeleton, and the German Bobsleigh, Luge, and Skeleton Federation. The first bobsleds were built in the late 19th century in St. Moritz, Switzerland, by wealthy tourists from Victorian Britain who were staying at the Badrutt's Palace Hotel, Palace Hotel owned by Caspar Badrutt. The early sleds were adapted from boys' delivery sleds and toboggans. These eventually evolved into bobsleighs, luges and Skeleton (sport), skeletons. Initially the tourists would race their hand-built contraptions down the narrow streets of St. Moritz; however, as collisions increased, growing opp ...
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Sledding In Poland Kulig Podkowa Lesna, 2010
Sledding, sledging or sleighing is a winter sport typically carried out in a prone or seated position on a vehicle generically known as a sled (North American), a sledge (British), or a sleigh. It is the basis of three Olympic sports: luge, skeleton and bobsledding. When practised on sand, it is known as a form of sandboarding. In Russia sledges are used for maritime activities including fishing and commuting from island to island on ice. History The practical use of sleds is ancient and widespread. They were developed in areas with consistent winter snow cover, as vehicles to transport materials and/or people, far more efficiently than wheeled vehicles could in icy and snowy conditions. Early designs included hand-pulled sizes as well as larger dog, horse, or ox drawn versions. Early examples of sleds and sledges were found in the Oseberg Viking ship excavation. The Toboggan sled is also a traditional form of transport used by the Innu and Cree of northern Canada and the peo ...
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Mad River Rocket Stinger Black
Mad, mad, or MAD may refer to: Geography * Mad (village), a village in the Dunajská Streda District of Slovakia * Mád, a village in Hungary * Adolfo Suárez Madrid–Barajas Airport, by IATA airport code * Mad River (other), several rivers Music Bands * Mad (band), a rock band from Buenos Aires, Argentina * M.A.D (band), a British boyband * M.A.D. (punk band), a 1980s band, which later became Blast * Meg and Dia, an American indie rock band Albums * ''Mad'' (Raven EP), released in 1986 * ''Mad'' (Hadouken! EP), released in 2009 * ''Mad'' (GOT7 EP), released 2015 Songs * "Mad" (Ne-Yo song), 2008 * "Mad", by Dave Dudley from ''Talk of the Town'', 1964 * "Mad", from '' Secret Life of Harpers Bizarre'', 1968 * "Mad", by The Lemonheads from '' Lick'', 1989 * "Mad", from the album ''Magnetic Man'', 2010 * "Mad", by Cassie Steele, 2014 * "M・A・D" (Buck-Tick song), 1991 Organizations * MAD Studio, an architectural firm * Make A Difference, an Indian NGO * Might a ...
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Norway
Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of Norway. Bouvet Island, located in the Subantarctic, is a dependency of Norway; it also lays claims to the Antarctic territories of Peter I Island and Queen Maud Land. The capital and largest city in Norway is Oslo. Norway has a total area of and had a population of 5,425,270 in January 2022. The country shares a long eastern border with Sweden at a length of . It is bordered by Finland and Russia to the northeast and the Skagerrak strait to the south, on the other side of which are Denmark and the United Kingdom. Norway has an extensive coastline, facing the North Atlantic Ocean and the Barents Sea. The maritime influence dominates Norway's climate, with mild lowland temperatures on the se ...
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Sweden
Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, Finland to the east, and is connected to Denmark in the southwest by a bridgetunnel across the Öresund. At , Sweden is the largest Nordic country, the third-largest country in the European Union, and the fifth-largest country in Europe. The capital and largest city is Stockholm. Sweden has a total population of 10.5 million, and a low population density of , with around 87% of Swedes residing in urban areas in the central and southern half of the country. Sweden has a nature dominated by forests and a large amount of lakes, including some of the largest in Europe. Many long rivers run from the Scandes range through the landscape, primarily ...
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Engineering Skeleton Sled
Engineering is the use of scientific method, scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings. The discipline of engineering encompasses a broad range of more specialized List of engineering branches, fields of engineering, each with a more specific emphasis on particular areas of applied mathematics, applied science, and types of application. See glossary of engineering. The term ''engineering'' is derived from the Latin ''ingenium'', meaning "cleverness" and ''ingeniare'', meaning "to contrive, devise". Definition The American Engineers' Council for Professional Development (ECPD, the predecessor of Accreditation Board for Engineering and Technology, ABET) has defined "engineering" as: The creative application of scientific principles to design or develop structures, machines, apparatus, or manufacturing processes, or works utilizing them singly or in combination; or to construct o ...
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Extreme Sledding
Extreme sledding is a sport where riders do not simply sled down a hill, but use the sleds and their bodies to carry out various tricks, using apparatus such as ramps, rails, ledges, and some that are performed simply riding down the hill. The types of tricks that are carried out borrow certain characteristics from snowboarding, skateboarding, aggressive in-lining, BMXing, and motocross Motocross is a form of off-road motorcycle racing held on enclosed off-road circuits. The sport evolved from motorcycle trials competitions held in the United Kingdom. History Motocross first evolved in Britain from motorcycle trials competiti .... Extreme Sledding can use many different types of equipment, with the most common being "knee-sleds" which are sleds where you ride on your knees, (sometimes strapped on). Tricks References External links Mad River Rocket videos of Extreme SleddingABC News, How Sledding Became an Extreme Sport {{Extreme sports Sledding ...
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Samuel Leeds Allen
Samuel Leeds Allen (May 5, 1841 – March 28, 1918) was the founder of S.L. Allen & Company in Philadelphia. He was the inventor of, and his company manufactured, both the Flexible Flyer sled and Planet Jr farm and garden equipment. For over one hundred years these products were the best selling and most famous market gardening tools and American sleds. During his lifetime and for the first half of the 20th century S.L. Allen was far more renowned for his company's seed drills and cultivating equipment than the sleds. Biography Allen was born on May 5, 1841 in Philadelphia to Quaker parents: John Casdorp Allen, a prominent druggist, and Rebecca Smith Leeds, his wife. In 1861, Allen moved to ''Ivystone'', his father's farm near the community of Westfield in Cinnaminson Township, New Jersey. On November 22, 1866, Samuel Leeds Allen and Sarah Hooton Roberts, the daughter of Elisha Roberts and Elizabeth West Hooton, were married in the Friends Meeting House, Moorestown, New Jersey ...
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Slope
In mathematics, the slope or gradient of a line is a number that describes both the ''direction'' and the ''steepness'' of the line. Slope is often denoted by the letter ''m''; there is no clear answer to the question why the letter ''m'' is used for slope, but its earliest use in English appears in O'Brien (1844) who wrote the equation of a straight line as and it can also be found in Todhunter (1888) who wrote it as "''y'' = ''mx'' + ''c''". Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line. Sometimes the ratio is expressed as a quotient ("rise over run"), giving the same number for every two distinct points on the same line. A line that is decreasing has a negative "rise". The line may be practical – as set by a road surveyor, or in a diagram that models a road or a roof either as a description or as a plan. The ''steepness'', incline, or grade of a line is measured by the absolute ...
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Inner Tube
An inner tube is an inflatable ring that forms the interior of some pneumatic tires. The tube is inflated with a valve stem, and fits inside of the casing of the tire. The inflated inner tube provides structural support and suspension, while the outer tire provides grip and protects the more fragile tube. They are widely used in bicycles and are also used in many motorcycles and heavy road vehicles such as trucks and buses. They are now less common in other wheeled vehicles because of the benefits of having no tube, such as the ability to operate at low pressure and at high pressure (unlike a tube tire, which would pinch at low pressure and burst at high pressure), without going flat. Large inner rings also make effective flotation devices and are widely used in the leisure activity of tubing. Material The tube is made out of a mix of natural and synthetic rubber. Natural rubber is less prone to punctures and is often more pliable, while synthetic rubber is cheaper. Often racin ...
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