Vibrations Affecting Stability and Edge Control of Snowboards

Background: During a carving turn, vibrations are induced at the heel of snowboard through edge friction when slips sideways and subsequently travel along board to shovel, which vibrates affects control. The purpose this study was find method for assessing grip with laser vibrometer. Method: Two boards, loaded tilted four different angles, were placed on soft surface, shaker connected hindmost point. shovel particularly frontmost point scanned Polytec frequency response functions coherence, average displacement, displacement foremost recorded, latter integrated obtaining an mobility measure (EMM) quantify Results: Of two boards compared, A stiffer in 1st 3rd torsional mode, one B bending modes. 2nd mode responsible large therefore diminished Shovel had smaller EMM greater tilt that is, less amplitude point, better A, however, angles. Conclusion: developed provides reliable test assessment control under standardized conditions.