Old 08-04-19, 10:52 AM
  #33  
terrymorse 
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Originally Posted by Road Fan View Post
Elasticity of a spoke is like that of a frame tube, where an increase in OD has a lot of leverage in the equation for stiffness. For frame tubes the stiffness increases with the square of the OD. If the diameter increases by 10%, the stiffness increases by 1.1*1.1 = 1.21 = 21%!
That's frame tube stiffness against bending. The only significant spoke stiffness is against elongation, which is a simple linear function of cross-sectional area.
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