[CAUT] String stiffness questions

[Alan McCoy]

Hey Ric,

Are you referring to Young's Modulus (Y)? Have you checked out The
Calculating Technician by Dave Roberts? I think there is info in his book
that might be useful.

Alan


-- Alan McCoy, RPT
Eastern Washington University
amccoy at mail.ewu.edu
509-359-4627


> From: RicB <ricb at pianostemmer.no>
> Reply-To: "College and University Technicians <caut at ptg.org>" <caut at ptg.org>
> Date: Sun, 07 Jan 2007 18:17:16 +0100
> To: <caut at ptg.org>
> Subject: [CAUT] String stiffness questions
> 
> Hi Folks
> 
> I'm continuing, along with Jason Kanter and a couple others work on a
> scaling spreadsheet and I have run into a stump I'm having trouble
> locating information directly relating to the string stiffness factor
> for various wire.  Dels Handout has one formula in it which seems to
> contain an error and I have a couple working spreadsheets that contain
> formulas but no way compensating for different kinds of wire.
> 
> What I need is a brief explanation of the numerical constants used in
> the formula, and what values different kinds of string materials use so
> that we can set up an options value that automatically inserts the
> proper value in relevant formulas.
> 
> Thanks for any help you can offer.
> 
> Cheers
> RicB
>