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Coda Monoboards(monoskis), Snowboards, Skis, and Topsheets

If you examine a CODA board from the top, as though looking down at it laying flat on the snow, you will see the board's footprint is slightly hourglass in shape:  the breadth of the board is more narrow at the mid point.  Each edge of the board follows the curve of an arc.  The radius of the circle from which we patterned this arc is the sidecut measurement.  The smaller the circle, the deeper the sidecut.

sidecut illustration

V-3As recently as 10 years ago, most traditional snow skis on the market were straight-edged skis.  Both sides of each ski remained parallel from tip to tail, with the ski as wide at the binding as it was at the tip.  Capacity for holding an edge was primarily a factor of camber and skill.  "Camber" describes the arch of a board or ski when viewing it from them side.

sidecarve snowboard
      The advent of "shaped skis" marked the introduction of the curved edge sidecut, with a footprint hourglass in shape.  The result was a sharper turn and a stronger grip on the mountain with less effort on the part of the skier.  The common comment on shaped skis was that "these things turn themselves."   Naturally, when the edge was pressed flat into the mountain and it was circular in shape, the edge followed a circular path.  At the same time, the greater sideways extension of the tip and tail beyond the focal point directly beneath the skier's boots inherent in the curved edge exerted greater lateral pressure, biting into the mountain.  The feeling was that of gripping and holding onto the slope, rather than sliding sideways downhill.

      The practical effect of a radial sidecut is a more effective edge hold, facilitating the "carving" style of downhill riding wherein the rider's board follows the line of his edges.  The goal of carving is to eliminate any sliding in a direction perpendicular to the line of the board's edge.  There is no "hockey stop" action, at all, during a turn.  It is riding the edges of the board.  Carving is also the goal of any downhill racer, as carving is simultaneously faster and more controlled.  Like driving a car, the car is performing better, with greater control and efficiency, when it is not sliding on ice or water.

      All CODA boards feature an aggressive circular arc sidecut for a superior edge hold on the mountain.  The radius of the arc is the board's sidecut measurement.


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