burton0114 lesson 2: introduction of the various of the snowboard
Boards or decks are categorized into one of four groups: race, alpine, all-mountain/all-around/free-riding and half-pipe/free-style. They range in lengths from under 100 cm to over 200 cm. Their construction is nearly identical to skis; a board has metal edges, side-cut and camber. All of the same materials are used. The real differences are in the shapes and flex patterns.
The term symmetry is used extensively in any discussion of boards. Because a board is ridden with one foot forward the turn dynamics are obviously different from a ski. A board can be symmetrical front to back and/or symmetrical side to side. Normally a ski is asymmetrical front to back and symmetrical side to side. Most boards have symmetry like skis.
Another term used to describe snowboard shape is "directional". As in: "This board is non-directional." A true non-directional board can have either end as the tip or tail since the binding inserts are centered. Usually the rider will have a preference to being regular or goofy and set-up the board accordingly.
Reasons for different symmetry configurations include:
Race: These boards are used for downhill, GS and slalom racing. They tend to be stiff, narrow and long. They are designed for high speed use with long effective edges for carving turns.
Alpine: These boards tend to target crossover skiers. The design of these boards reflects that of a ski with many of the same characteristics and many even look like fat skis. Alpine boards are a little more common in the European Alps, than in North America.
All-Around/Free-Riding: This type of board is sometimes called all-terrain or all-mountain. They are designed for use in all snow conditions and most can even be ridden in the half-pipe very successfully. Maybe half of all boards sold in the U.S. are of this type.
Half-pipe/Free-style: These are boards designed for use in the half-pipe and for jibbing, bonking, and general freestyle moves. They tend to be more flexible with wider foot stances more centered on the board. The board probably has more nose and tail area and less effective edge than a board from the other categories. Boards in this category generally do not have good all-around utility because of their inability to hold an edge on hard snow and steep slopes. The board is generally more difficult to control due to the stance configuration.
Swallow-tail: These boards are designed for powder, whether it is in bounds or out of bounds. They are generally stiffer than freeride boards, and the tail has a V shape cut into it to enable the tail to sink into the snow raising the nose to provide float without zapping the legs. The nose of the board may be slightly wider than expected to provide another aid to float in the pow.
Split board: These boards are designed for the backcountry where there are no lifts. The board splits length ways down the middle, effectively forming 2 skis. The rider then uses these to get up the mountain in a manner that is less exhausting (and nearly always quicker) than hiking in your boots. Once at the top, the board is re-assembled and ridden down. Some split boards are also swallow tails, for that perfect powder day. |