Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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1/2013
vol. 30
 
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abstract:

Original paper
EXTERNAL BARREL TEMPERATURE OF A SMALL BORE OLYMPIC RIFLE AND SHOOTING PRECISION

B. Gladyszewska
,
P. Baranowski
,
W. Mazurek
,
J. Wozniak
,
G. Gladyszewski

Biol. Sport 2013;30:47-50
Online publish date: 2014/07/22
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Investigations on changes in a rifle’s barrel temperature during shooting in a rhythm typical for

practitioners of Olympic shooting sports are presented. Walther KK300 (cal. 5.6 mm), a typical rifle often used

in Olympic competitions, R50 RWS ammunition and a high speed thermographic camera were used in the study.

Altair version 5 software was used to process thermal images and a stationary wavelet transform was applied

to denoise signals for all the studied points. It was found that the temperature of the rifle barrel does not exceed

0.3°C after one shot whereas the total temperature increase does not exceed 5°C after taking 40 shots and does

not affect the position of the hitting point on a target. In fact, contrary to popular belief, the so-called “warming

shots” are not done for barrel heating but for cleaning of remnants in the barrel.
keywords:

Olympic rifle shooting, barrel temperature, precision shooting, warming shots

  
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