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Scale length and string tension...
http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10101&t=16572
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Author:  John Elshaw [ Tue Mar 25, 2008 2:46 pm ]
Post subject:  Scale length and string tension...

Does anybody know the formula to calculate how changes in scale length affect string tension assuming string gauge stays the same? For example, lets say I have a 650mm and 660mm guitar, both strung with the same gauge strings, about how much more tension does the longer scale guitar have?

Thanks!

John

Author:  Anthony Z [ Tue Mar 25, 2008 3:16 pm ]
Post subject:  Re: Scale length and string tension...

This site has the calculator http://www.greenmanhumming.com/html/Str ... e%20applet

The inputs can be found from D'Addario's site http://www.daddario.com/Resources/JDCDA ... _chart.pdf

I have a spreadsheet on my other computer than kind of automates the calculations. If you want it PM me with your email address and I'll send it this evening.

Author:  Dave White [ Tue Mar 25, 2008 3:19 pm ]
Post subject:  Re: Scale length and string tension...

John,

If you mean steel strings then this is the calculator I use.

If the guitars with scale lengths you quote were in EADGBE tuning with 12-53 strings then the 660mm scale length one would have a total string tension of 169.68lb and the 650mm scale length one 164.58lb.

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