The specification of a sled structure without a rudder
The overall length of the sled is 70~140 cm, 34~38 cm wide and 8~20 cm high. The sledge is made of wood, with a pair of parallel metal skateboards at the bottom, not more than 45 centimeters wide.
There is no rudder at the front of the sled and no brake at the back. The upper part of the skateboard is a bracket. The front part of the skateboard may be flexible to make a turn, but it is not allowed to control the rudder and brake of the skateboard. Single seat weight 21-25 kg, two seat 25-30 kg. Competition consists of men's single seat, men's two seater, women's single seat three. When the game player in a sleigh, with both hands can push back hard starting point bar, the sled forward starting, sliding supine on the sled, single hand sled belt using the body straight from the shoulder and leg posture, transform to manipulate the sled, along the ice road fast downhill.
The player may choose the best route forward to minimize the playing time. At the end of the race, the player must sit on the sled, or else he will not be counted. The average speed is 130 kilometers (80 miles) per hour, and the fastest speed is 145 kilometers (90 miles). Single seat slide 4 times, serving for two days; the sliding seat 2 times a day for the season. The time spent together is better than the less time spent. Scores are equal to the results, in order to win the best downhill. The order of departure shall be decided by lots.
