Ron Nossaman wrote:
> At 10:58 AM 8/16/98 -0400, you wrote:
> >Keith wrote:
> >
> >"The wrapping tries to make the string believe it's longer than it really is."
> >
> >I think the wrap should give the string a maximum of flexability.
> >
> > Newton
> >
>
> Yep. I can't say whether it should or not, but it does. Not long ago, trying
> to come up with a mechanical impedance formula for plain and wound strings,
> I did some beam deflection experiments on wound strings with and without the
> wrap to see how much stiffness the wrap added. The modulus of elasticity of
> the copper wrap turned out to be just a little over 0.003 that of the core
> wire by my count. That's why changing the wrap sizes has so little effect on
> inharmonicity (ends being left alone), when it has so much effect on
> tension. A change in core size will have far more effect on stiffness (and
> little on tension), and therefor more effect on inharmonicity.
>
> Ron
And THAT is why we can improve bass string scales.
Newton
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