Table 2

Mechanical properties and the energy per unit of mass referred to as Dbv for some materials used in making bows20.

MaterialWorking stress kgf/cmE2 x 10E2Elastic modulus kgf/cmE2 x 10E5Specific mass kg/cmE3 x 10E-6Dbv kgf   cm/kg
steel70.021.078001300
sinew7.00.09110025000
horn9.00.22120015000
yew12.01.060011000
maple10.81.27007000
glassfibre78.53.9183043000

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