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Skis Essay

  • Submitted by: anonymous
  • on November 13, 2012
  • Category: English
  • Length: 3,168 words

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Below is an essay on "Skis" from Anti Essays, your source for research papers, essays, and term paper examples.

Ski nomenclature is relatively simple. Examining the ski from front to back along the direction of travel, the front of the ski (typically pointed or rounded) is the "tip", the middle is the "waist" and the rear (typically flat) is the "tail".
All skis have four basic measures that define their basic performance: length, width, sidecut and camber.
Length and width
The length and width of the ski define its total surface area, which provides some indication of the ski's "float", its ability to remain on top of the snow instead of sinking into it. The width by itself also has a strong relationship to the amount of drag as it moves though the snow. Efficiency in cross-country skiing depends on keeping the skis narrow to reduce drag, and thus requires them to be very long in order to produce the required amount of float. Alpine skis are generally not as concerned about drag, and tend to be shorter and wider.
Sidecut
Sidecut is the shape of the edge of the ski as viewed from the top or bottom. Alpine skis are wider at the tip and tail than they are at the waist; when rotated onto their edge, known as "edging", this causes the ski to bend into a curved shape and allows them to "carve" a turn. Cross-country techniques use different styles of turns; edging is not as important, and skis have little sidecut. For many years, alpine skis were shaped similarly to cross-country, simply shorter and wider, but the Elan SCX introduced a radical sidecut design that dramatically improved performance. Other companies quickly followed suit, and it was realized in retrospect that "It turns out that everything we thought we knew for forty years was wrong."[1] Since then, "shaped" skis have dominated alpine ski design.[1]
Camber
Camber is the shape of the edge of the ski as viewed from one side or the other. Skis are traditionally designed so the tips and tails are naturally pressed down, and if laid on a flat surface, the waist will be in the air. Without camber, when the skier's...

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