Book chapter abstract

Comparison of Ski Running Surfaces Machined by Various Stone Grinding Equipments

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Publication Details

Author list: Dahlén, Leon;Ebrahimzadeh, Reza;Kuzmin, Leonid;Wiklund, Håkan

Publisher: RMIT University

Place: Melbourne, Australia

Publication year: 2009

Book title (if part of a book): The Impact of Technology on Sport III

Start page: 27

End page: 31

Number of pages: 5

ISBN: 978-1-921426-39-1


Abstract

Stone-grinding is an important part of the process of preparing the ski running surface (SRS). The ski base is stone-ground in order to achieve a level surface and to give the SRS a specific pattern texture, depending on the snow conditions, in order to reduce the capillary drag, which is a part of total ski friction. In this study, skis were ground using three different machines (Mantec, Tazzari and Wintersteiger), each with distinctive pattern. The stone-grinding was performed in the same way and by the same operator on each of the machines. The roughness and the hydrophobic characteristics of the SRS produced by the machines were measured. The results of the experiment show that stone-grinding is able to change the magnitude of the capillary drag dramatically, up to 74% in the case studied.


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