|
Canoe Slalom
Canoe slalom (previously known as whitewater slalom) is a competitive sport with the aim to navigate a decked canoe or kayak through a course of hanging downstream or upstream gates on river rapids in the fastest time possible. It is one of the two kayak and canoeing disciplines at the Summer Olympics, and is referred to by the International Olympic Committee (IOC) as Canoe/Kayak Slalom. The other Olympic canoeing discipline is canoe sprint. Wildwater canoeing is a non-Olympic paddlesport. History Canoe slalom racing started in Switzerland in 1933, initially on a flatwater course. In 1946, the International Canoe Federation (ICF), which governs the sport, was formed. The first World Championships were held in 1949 in Switzerland. From 1949 to 1999, the championships were held every odd-numbered year and have been held annually in non- Summer Olympic years since 2002. Folding kayaks were used from 1949 to 1963; and in the early 1960s, boats were made of fiberglass and ny ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fiberglass
Fiberglass (American English) or fibreglass ( Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth. The plastic matrix may be a thermoset polymer matrix—most often based on thermosetting polymers such as epoxy, polyester resin, or vinyl ester resin—or a thermoplastic. Cheaper and more flexible than carbon fiber, it is stronger than many metals by weight, non- magnetic, non-conductive, transparent to electromagnetic radiation, can be molded into complex shapes, and is chemically inert under many circumstances. Applications include aircraft, boats, automobiles, bath tubs and enclosures, swimming pools, hot tubs, septic tanks, water tanks, roofing, pipes, cladding, orthopedic casts, surfboards, and external door skins. Other common names for fiberglass are glass-reinforced plastic (GRP), glass-fiber reinforced plastic (GFR ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epoxy
Epoxy is the family of basic components or cured end products of epoxy resins. Epoxy resins, also known as polyepoxides, are a class of reactive prepolymers and polymers which contain epoxide groups. The epoxide functional group is also collectively called ''epoxy''. The IUPAC name for an epoxide group is an oxirane. Epoxy resins may be reacted ( cross-linked) either with themselves through catalytic homopolymerisation, or with a wide range of co-reactants including polyfunctional amines, acids (and acid anhydrides), phenols, alcohols and thiols (usually called mercaptans). These co-reactants are often referred to as hardeners or curatives, and the cross-linking reaction is commonly referred to as curing. Reaction of polyepoxides with themselves or with polyfunctional hardeners forms a thermosetting polymer, often with favorable mechanical properties and high thermal and chemical resistance. Epoxy has a wide range of applications, including metal coatings, composites, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kevlar
Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires. It is typically spun into ropes or fabric sheets that can be used as such, or as an ingredient in composite material components. Kevlar has many applications, ranging from bicycle tires and racing sails to bulletproof vests, all due to its high tensile strength-to-weight ratio; by this measure it is five times stronger than steel. It is also used to make modern marching drumheads that withstand high impact; and for mooring lines and other underwater applications. A similar fiber called Twaron with the same chemical structure was developed by Akzo in the 1970s; commercial production started in 1986, and Twaron is now manufactured by Teijin. History Poly-paraphenylene terephthalamide (K2 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carbon Fiber
Carbon fiber-reinforced polymers (American English), carbon-fibre-reinforced polymers (Commonwealth English), carbon-fiber-reinforced plastics, carbon-fiber reinforced-thermoplastic (CFRP, CRP, CFRTP), also known as carbon fiber, carbon composite, or just carbon, are extremely strong and light fiber-reinforced plastics that contain carbon fibers. CFRPs can be expensive to produce, but are commonly used wherever high strength-to-weight ratio and stiffness (rigidity) are required, such as aerospace, superstructures of ships, automotive, civil engineering, sports equipment, and an increasing number of consumer and technical applications. The binding polymer is often a thermoset resin such as epoxy, but other thermoset or thermoplastic polymers, such as polyester, vinyl ester, or nylon, are sometimes used. The properties of the final CFRP product can be affected by the type of additives introduced to the binding matrix (resin). The most common additive is silica, but other a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tony Estanguet
Tony Estanguet (born 6 May 1978 in Pau) is a French slalom canoeist and a three-time Olympic champion in C1. He competed at the international level from 1994 to 2012. Racing career Estanguet won three Olympic gold medals in the C1 event in 2000, 2004 and 2012. At the 2004 games in Athens he won the gold medal after a late judges decision to award a 2-second penalty to Michal Martikán. Estanguet was the flag-bearer for France at the 2008 Beijing Summer Olympics opening ceremony. He finished in the 9th position (out of 12 competitors; only the first eight would qualify for the final) in the semi-finals of the C1 event and was thus eliminated from the final. At the 2012 London Summer Olympics, he became the first French Olympian to win three gold medals in the same Olympic discipline. He won twelve medals at the ICF Canoe Slalom World Championships with five golds (C1: 2006, 2009, 2010; C1 team: 2005, 2007), six silvers (C1: 2003, 2005, 2007; C1 team: 1997, 2003, 2009), and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olympic Games
The modern Olympic Games or Olympics (french: link=no, Jeux olympiques) are the leading international sporting events featuring summer and winter sports competitions in which thousands of athletes from around the world participate in a variety of competitions. The Olympic Games are considered the world's foremost sports competition with more than 200 teams, representing sovereign states and territories, participating. The Olympic Games are normally held every four years, and since 1994, have alternated between the Summer and Winter Olympics every two years during the four-year period. Their creation was inspired by the ancient Olympic Games (), held in Olympia, Greece from the 8th century BC to the 4th century AD. Baron Pierre de Coubertin founded the International Olympic Committee (IOC) in 1894, leading to the first modern Games in Athens in 1896. The IOC is the governing body of the Olympic Movement (which encompasses all entities and individuals involved in the Olympic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ICF Canoe Slalom World Rankings
The ICF Canoe Slalom World Rankings are the performance-based rankings of canoe slalom athletes competing in the official International Canoe Federation (ICF) Ranking Series of events. It is used to determine the starting order for qualification at international events, most notably World Cups and World Championships, across all current Olympic disciplines, with athletes starting in the reverse order of their ICF Canoe Slalom Ranking. The rankings are updated quarterly but were frozen from December 2019 to September 2021 due to the ongoing COVID-19 pandemic. Ranking method Rankings are determined by an athlete's average score across their 5 best results in the 2 year period directly beforehand. The athlete with the lowest average score will be ranked number 1 in their respective Canoe Slalom (C1M, C1W, K1M, K1W, C2M or C2Mx). An athlete who has competed in less than 5 ICF events will be ranked below all athletes who have completed five or more events, regardless of their average scor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canoe Slalom World Cup
The ICF Canoe Slalom World Cup is an annual series of races in canoe slalom held under the auspices of the International Canoe Federation. It has been held since 1988 in four canoe and kayak disciplines for men and women. The four original disciplines were men's single canoe (C1), men's double canoe (C2), men's kayak (K1) and women's kayak. A women's single canoe discipline (C1) has been added to the world cup in 2010. The men's C2 event was removed from the world cup series in 2018 and it was replaced by the mixed C2 event. 2018 was also the first time that world cup points were awarded for the extreme K1 event. Competition format The world cup is a series of individual races usually taking place during the summer months of June, July and August. The athlete (or boat) that accumulates the highest number of points from all world cup races in the given discipline becomes the overall world cup champion. The scoring system as well as the number of world cup races have changed multiple ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eddy (fluid Dynamics)
In fluid dynamics, an eddy is the swirling of a fluid and the reverse current created when the fluid is in a turbulent flow regime. The moving fluid creates a space devoid of downstream-flowing fluid on the downstream side of the object. Fluid behind the obstacle flows into the void creating a swirl of fluid on each edge of the obstacle, followed by a short reverse flow of fluid behind the obstacle flowing upstream, toward the back of the obstacle. This phenomenon is naturally observed behind large emergent rocks in swift-flowing rivers. An eddy is a movement of fluid that deviates from the general flow of the fluid. An example for an eddy is a vortex which produces such deviation. However, there are other types of eddies that are not simple vortices. For example, a Rossby wave is an eddy which is an undulation that is a deviation from mean flow, but doesn't have the local closed streamlines of a vortex. Swirl and eddies in engineering The propensity of a fluid to swirl is use ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1979 ICF Canoe Slalom World Championships
The 1979 ICF Canoe Slalom World Championships were held in Jonquière, Quebec, Canada under the auspices of International Canoe Federation. It was the 16th edition. This marked the first time the championships were held outside Europe. The mixed C2 event was not held at these championships. East Germany did not take part and Czechoslovakia, as the other traditional powerhouse, won only one medal. West Germany won three medals while the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ... led the medal count with seven, the first-time an English-speaking country had done so. Medal summary Men's Canoe Kayak Women's Kayak Medals table ReferencesOfficial results [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Québec
Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirteen provinces and territories of Canada. It is the largest province by area and the second-largest by population. Much of the population lives in urban areas along the St. Lawrence River, between the most populous city, Montreal, and the provincial capital, Quebec City. Quebec is the home of the Québécois nation. Located in Central Canada, the province shares land borders with Ontario to the west, Newfoundland and Labrador to the northeast, New Brunswick to the southeast, and a coastal border with Nunavut; in the south it borders Maine, New Hampshire, Vermont, and New York in the United States. Between 1534 and 1763, Quebec was called ''Canada'' and was the most developed colony in New France. Following the Seven Years' War, Quebec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
