Breaking strengths / percents

[PAULREVENKOJONES]

Jurgen:

Please copy me that table, too. Direct business email motspheres at aol.com. Thanks much in advance.

Paul

IF YOU WANT TO KNOW THE TRUTH, STOP HAVING OPINIONS!


In a message dated 01/31/07 22:42:47 Central Standard Time, jkanter at rollingball.com writes:
Jurgen. may I have a copy of that table too? 

thanks 'Jason 

On 1/31/07, Jurgen Goering <pianoforte at pianofortesupply.com> wrote: 
> Ric- 
> I don't have a formula, but I do have a table with all the breaking 
> strengths of Pure Sound Wire from # 7 through # 25.  Would that be 
> helpful?  What sizes are you working with? 
> 
> Jurgen Goering 
> Piano Forte Supply 
> (250) 754-2440 
> info at pianofortesupply.com 
> http://www.pianofortesupply.com 
> 
> 
> On Jan 31, 2007, at 11:00, pianotech-request at ptg.org wrote: 
> 
> > Hi folks I'm looking at how to compensate for use of pure sound wire 
> > in spreadsheets for calculating scales.  I have the Tension bit 
> > figured out, but I am unsure of how to deal with breaking tension and 
> > % of that.  Roberts gives a simple 0.557*d^1.667  (d in mils) and 
> > result in lbs.  This is for steel wire with an average density of 7.85 
> > gm /cm^3 and an E modulus of 192 kN/mm2  Pure sound has an average 
> > density of 7.87 and an E modulus of 187.5  What I need to know is what 
> > the formula for % breaking strength for pure sound is. 
> 
> > Any help to get out there ? 
> 
> > Cheers 
> 
> > RicB 
> 


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=cell 425 830 1561= 
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