Wire stretching

[Richard Brekne]

Grin.... well since you asked for responses.... I would have to agree with your
basic postulation that this is something completely different...

comic relief is always welcome

I would be curious to know what they think happens that more or less
corresponds to what we ignorant remaining humans think is string stretching ?

RicB

Jon Page wrote:

> And now, something completely different...
>                                 ---Monty Python
>
> On the Mechanical Music Digest there are few people who insist that piano
> wire does not stretch
> and this is not the reason for multiple tunings required for a newly strung
> piano.  But once the
> wire has been coaxed to definite terminations, why else would it go flat
> over the ensuing days.
>
> They refer to: 'Hooke's Law'  and 'Young's modulus for piano wire'.
>
> One guy even flames the PTG as to not knowing as much as he does with
> "their accepted belief
> that piano wire stretches".
>
> I didn't respond beyond my initial statement of wire stretching, wire
> easing through the friction
> at bearing points, plate compression and case deformation because of the
> intensity of a zealous tirade
> but would like to hear opinions on the matter.
>
> %
>
> jon Page




--
Richard Brekne
RPT, N.P.T.F.
Bergen, Norway
mailto:rbrekne@broadpark.no
http://home.broadpark.no/~rbrekne/ricmain.html