Estimateur de Vitesse en Snowboard
Estimez votre vitesse en snowboard selon la pente.
Estimated Max Speed
109.5 mph
Estimated Max Speed vs Slope Angle
Formule
## How Snowboard Speed Is Estimated ### Simplified Physics **Speed = sqrt(2 x g x Vertical Drop x Friction Factor)** Where g = 9.81 m/s^2 and the friction factor (0-1) accounts for snow friction and air drag. ### Typical Speeds - Beginner: 10-20 mph - Intermediate: 20-35 mph - Advanced: 35-55 mph - Professional racing: 70-90 mph - Speed record: 157 mph (ski) ### Factors Actual speed varies with wax quality, rider position (tucking vs standing), wind, temperature, and snow type.
Exemple Résolu
A 20° groomed slope, 500 m run length.
- 01Vertical drop = 500 x sin(20°) = 500 x 0.349 = 174.5 m.
- 02Speed = sqrt(2 x 9.81 x 174.5 x 0.7) = sqrt(2396) = 48.9 m/s.
- 03Speed in mph = 48.9 x 2.237 = 109.4 mph.
- 04Note: actual speed will be lower due to turning and speed-limiting technique.
Questions Fréquentes
Why is the estimated speed so high?
This calculates theoretical maximum speed on a straight run. Real-world skiing involves turns, speed checks, and aerodynamic drag that significantly reduce actual speed. Most recreational skiers stay well below the theoretical maximum.
How fast do most recreational skiers go?
Most recreational skiers average 20-35 mph on groomed runs. Advanced skiers on steep groomed runs may reach 40-55 mph. Very few recreational skiers exceed 60 mph.
Does snow type matter for speed?
Enormously. Icy hardpack is the fastest surface. Groomed corduroy is moderate. Fresh powder creates the most friction and slows riders significantly. Temperature also affects snow crystal structure and friction.
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