The round-wheel compound bow model revisited : a new extension

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http://hdl.handle.net/10138/299194

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Tiermas , M 2017 , ' The round-wheel compound bow model revisited : a new extension ' , Sports Engineering , vol. 20 , no. 2 , pp. 155-162 . https://doi.org/10.1007/s12283-017-0225-2

Title: The round-wheel compound bow model revisited : a new extension
Author: Tiermas, Marko
Contributor: University of Helsinki, Department of Physics
Date: 2017-06
Language: eng
Number of pages: 8
Belongs to series: Sports Engineering
ISSN: 1369-7072
URI: http://hdl.handle.net/10138/299194
Abstract: An extended offset-eccentric model of an archery twin-round-wheel compound bow is derived. Varying some parameters of the model, the respective effects on the calculated force-draw curve are considered. Two static quality coefficients for the compound bow are introduced. It was found that the twin-round-wheel compound bow can be designed to be more energetic with the help of the model. For a bow with some modifications 18.5% increment of energy was calculated. Also a theoretical limit for the force-draw curve of the compound bow is concluded.
Subject: 114 Physical sciences
Compound bow
Force–draw curve
Eccentric wheel
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