スキ-における力学的研究

概要

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I did a comparison study of ski materials fifteen years ago and present in areas of dynamic and static systems. Skis are graded in three levels of quality-demonstration (GPX), slalon (SRX) and great slalon (GRX). I used these to record the results as follows. 1) Sagging of three types was not different in static experiment. But GRX had the smallest strain of the three. So the stability is higher in the direction of both the tip and tail of GRX. In comparison with the GRX, SRX needs small gyration and has high deformation in the direction of its tip, but GRX has high deformation in the direction of its tail. 2) In the dynamic experiment, viscosity of GPX, SRX and GRX is small. GRX absorb its vibration fastest of the three. The vibration absorption factor for each of the present-day skis is demostratively higher than those of fifteen years ago.
長野工業高等専門学校の論文
1988-00-00