HIGH PERFORMANCE OF TWO ROLLER-TYPE BADMINTON MACHINE

High performance of two roller-type badminton machine

Badminton shuttlecock is constructed of 16 goose feathers from a waterfowl with a hemispherical cork.The shuttlecock is light in mass (approximately 5.2g), with Hooded Tech Tee a highly specific air resistance.For professional badminton players, the highest initial speed of the shuttlecock by a smash shot exceeds over 80m/s, which is the fastest sp

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