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Sidecut
Ski geometry is the shape of the ski. Described in the direction of travel, the front of the ski, typically pointed or rounded, is the tip, the middle is the waist and the rear is the tail. Skis have four aspects that define their basic performance: length, width, sidecut and camber. Skis also differ in more minor ways to address certain niche roles. For instance, skis for moguls are much softer to absorb shocks from the quick and sharp turns of the moguls and skis for powder are much wider to provide more "float" in deeper, softer snow. Length and width The length and width of the ski define its total surface area, which provides some indication of the ski's float, or ability to remain on top of the snow instead of sinking into it. Cross-country skis must be narrow to reduce drag, and thus must be long to produce the required float. Alpine skis are generally not designed to reduce drag, and tend to be shorter and wider. Skis used in downhill race events are longer, with a subtle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Snowboard
Snowboards are boards where the user places both feet, usually secured, to the same board. The board itself is wider than most skis, with the ability to glide on snow."snowboarding." Dictionary.com Unabridged (v 1.1). Random House, Inc. 17 Mar. 2009. . Snowboards widths are between 6 and 12 inches or 15 to 30 centimeters. Snowboards are differentiated from monoskis by the stance of the user. In monoskiing, the user stands with feet inline with direction of travel (facing tip of monoski/downhill) (parallel to long axis of board), whereas in snowboarding, users stand with feet transverse (more or less) to the longitude of the board. Users of such equipment may be referred to as ''snowboarder''s. ''Commercial snowboards'' generally require extra equipment such as bindings and special boots which help secure both feet of a snowboarder, who generally ride in an upright position. These types of boards are commonly used by people at ski hills, mountains, backcountry, or resorts for le ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elan SCX
The SCX, for "SideCut eXtreme" (or "eXperiment"), was an alpine ski introduced by Elan in the winter of 1993/4. Skis before the SCX had almost always used a shape that was slightly curved inward on the sides, typically by compared to a straight line running from tip to tail. The SCX was designed with over "sidecut", producing a wasp-waisted ski unlike anything on the market. The SCX proved to dramatically improve turn performance and made it much easier to perform the efficient carve turn. This led to higher speeds in giant slalom, and the ski started winning race after race when it was introduced. It also made skiing easier in general, and revolutionized ski schools, especially in the US where the design first caught on. By 1996 every major ski company was racing to introduce similar designs, and traditional designs were being sold off for pennies on the dollar. As the first successful "shaped" or "parabolic" ski, the SCX is considered one of the most important advances in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Skiboard
Snowboards are boards where the user places both feet, usually secured, to the same board. The board itself is wider than most skis, with the ability to glide on snow."snowboarding." Dictionary.com Unabridged (v 1.1). Random House, Inc. 17 Mar. 2009. . Snowboards widths are between 6 and 12 inches or 15 to 30 centimeters. Snowboards are differentiated from monoskis by the stance of the user. In monoskiing, the user stands with feet inline with direction of travel (facing tip of monoski/downhill) (parallel to long axis of board), whereas in snowboarding, users stand with feet transverse (more or less) to the longitude of the board. Users of such equipment may be referred to as ''snowboarder''s. ''Commercial snowboards'' generally require extra equipment such as bindings and special boots which help secure both feet of a snowboarder, who generally ride in an upright position. These types of boards are commonly used by people at ski hills, mountains, backcountry, or resorts for le ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Skis Freeride Allmountain Piste 02
A ski is a narrow strip of semi-rigid material worn underfoot to glide over snow. Substantially longer than wide and characteristically employed in pairs, skis are attached to ski boots with ski bindings, with either a free, lockable, or partially secured heel. For climbing slopes, ski skins (originally made of seal fur, but now made of synthetic materials) can be attached at the base of the ski. Originally intended as an aid to travel over snow, they are now mainly used recreationally in the sport of skiing. Etymology and usage The word ''ski'' comes from the Old Norse word which means "cleft wood", "stick of wood" or "ski". In Old Norse common phrases describing skiing were ''fara á skíðum'' (to travel, move fast on skis), ''renna'' (to move swiftly) and ''skríða á skíðum'' (to stride on skis). In modern Norwegian the word ''ski'' has largely retained the Old Norse meaning in words for split firewood, wood building materials (such as bargeboards) and roundpole fence ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Slalom Skiing
Slalom is an alpine skiing and alpine snowboarding discipline, involving skiing between poles or gates. These are spaced more closely than those in giant slalom, super-G, super giant slalom and Downhill (ski competition), downhill, necessitating quicker and shorter turns. Internationally, the sport is contested at the FIS Alpine World Ski Championships, and at the Olympic Winter Games. History The term slalom comes from the Morgedal/Seljord dialect of Norwegian language, Norwegian word "slalåm": "sla", meaning "slightly inclining hillside", and "låm", meaning "track after skis". The inventors of modern skiing classified their trails according to their difficulty. ''Slalåm'' was a trail used in Telemark by boys and girls not yet able to try themselves on the more challenging runs. ''Ufsilåm'' was a trail with one obstacle (''ufse'') like a jump, a fence, a difficult turn, a gorge, a cliff (often more than high) and more. ''Uvyrdslåm'' was a trail with several obstacle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dick Durrance
Richard Henry Durrance (October 23, 1914 – June 13, 2004) was a 17-time national championship alpine ski racer and one of the first Americans to compete successfully against Europeans. Durrance was born in Tarpon Springs, Florida, and moved with his family at age 13 in 1928 to Munich, Germany, where he learned to ski at nearby Garmisch-Partenkirchen. Durrance raced competitively in Germany and won the German Junior Alpine Championship in 1932 at age 17. The following year, he learned the newly developed parallel turn from Anton Seelos. With the rise of Hitler, the family returned to the United States and he attended Dartmouth College in 1934 and won at Sestriere, Italy, the first American to dominate at a major European ski race. Durrance also won the U.S. men's downhill, slalom, and combined events in 1937 and was named to the U.S. Olympic Team for the 1936 Winter Olympics, the first to include alpine skiing. The only medal event was the combined and Durrance fini ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sondre Norheim
Sondre Norheim, born Sondre Auverson, (10 June 1825 – 9 March 1897) was a Norwegian skier and pioneer of modern skiing. Sondre Norheim is known as the father of Telemark skiing. Background Sondre Auverson was born at Øverbø, a little cotter's farm and raised in Morgedal in the municipality of Kviteseid in Telemark, Norway. Skiing was a popular activity in Morgedal. Sondre took to downhill skiing as a recreational activity, rising to local fame for his skills. He made important innovations in skiing technology by designing new equipment, such as different bindings and shorter skis with curved sides to facilitate turns. He also designed the Telemark ski, which is the prototype of all those now produced. Sondre Norheim was regarded by his contemporaries as a master of the art of skiing. He combined ordinary skiing with jumping and slalom. In 1868 he won the first national skiing competition in Christiania, beating his younger competitors by a large margin. His reputa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telemark
Telemark is a traditional region, a former county, and a current electoral district in southern Norway. In 2020, Telemark merged with the former county of Vestfold to form the county of Vestfold og Telemark. Telemark borders the traditional regions and former counties of Vestfold, Buskerud, Hordaland, Rogaland and Aust-Agder. The name ''Telemark'' means the "mark of the Thelir", the ancient North Germanic tribe that inhabited what is now known as Upper Telemark in the Migration Period and the Viking Age. In the Middle Ages, the agricultural society of Upper Telemark was considered the most violent region of Norway. Today, half of the buildings from medieval times in Norway are located here. The dialects spoken in Upper Telemark also retain more elements of Old Norse than those spoken elsewhere in the country. Upper Telemark is also known as the birthplace of skiing. The southern part of Telemark, Grenland, is more urban and influenced by trade with the Low Countries, no ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Piecewise
In mathematics, a piecewise-defined function (also called a piecewise function, a hybrid function, or definition by cases) is a function defined by multiple sub-functions, where each sub-function applies to a different interval in the domain. Piecewise definition is actually a way of expressing the function, rather than a characteristic of the function itself. A distinct, but related notion is that of a property holding piecewise for a function, used when the domain can be divided into intervals on which the property holds. Unlike for the notion above, this is actually a property of the function itself. A piecewise linear function (which happens to be also continuous) is depicted as an example. Notation and interpretation Piecewise functions can be defined using the common functional notation, where the body of the function is an array of functions and associated subdomains. These subdomains together must cover the whole domain; often it is also required that they are pair ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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