Effect of string bed pattern on ball spin generation from a tennis racket

NICOLAIDES, Alexander, ELLIOTT, Nathan, KELLEY, John, PINAFFO, Mauro and ALLEN, Tom (2013). Effect of string bed pattern on ball spin generation from a tennis racket. Sports Engineering, 16 (3), 181-188.

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Abstract

Topspin has become a vital component of modern day tennis. Ball-to-string bed and inter-string friction coefficients can affect topspin generation from a racket. The aim of this research was to determine the effect of string bed pattern on topspin generation. Tennis balls were projected onto nine head-clamped rackets with different string bed patterns. The balls were fired at 24 m/s, at an angle of 26� to the string bed normal with a backspin rate of 218 rad/s and outbound velocity, spin and angle were measured. Outbound velocity was shown to be independent of string bed pattern. Outbound angle increased with the number of cross strings, while outbound topspin decreased. In the most extreme case, decreasing the number of cross strings from 19 to 13 increased rebound topspin from 117 to 170 rad/s.

Item Type:	Article
Additional Information:	[First online] Date: 08 May 2013
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Centre for Sports Engineering Research
Identification Number:	https://doi.org/10.1007/s12283-013-0118-y
Page Range:	181-188
Depositing User:	Carole Harris
Date Deposited:	10 May 2013 10:27
Last Modified:	18 Mar 2021 19:45
URI:	https://shura.shu.ac.uk/id/eprint/7026

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