Results are In! Re: moisture in wool or wood.

[Farrell]

Yes, that would be interesting. But you would be introducing unrealistic
changes. Consider Don Mannino's point about dimensional changes in a block
of wood and swelling of individual surface cells. Clearly, such a
relationship would be changed in your situation. Although, your idea would
perhaps be good for isolating how dimensional changes occurring in a block
of wood resulting from RH changes would affect hole size.

Great idea! Let us know what happens!!!  ;-)

Terry Farrell
Piano Tuning & Service
Tampa, Florida
mfarrel2@tampabay.rr.com

----- Original Message -----
From: "Richard Brekne" <Richard.Brekne@grieg.uib.no>
To: <pianotech@ptg.org>
Sent: Sunday, January 14, 2001 8:11 AM
Subject: Re: Results are In! Re: moisture in wool or wood.


>
>
> Farrell wrote:
>
> > Gee, ya just gotta go and ruin my fun. Your point is well taken,
although if
> > wood cells are expanding in one direction, it is likely that they will
be
> > expanding in other directions - although perhaps at much different
rates.
> > But, yes, I do not know if the hole may have gotten larger in one
direction.
> > I guess I need some micro-calipers. Or maybe I need to bore out a hole
so
> > that a front rail pin just fits into it - then I could evaluate
preferred
> > orientations. Or I could just forget it and go make some money. I think
I
> > hear a set of broken spinet elbows calling me.................
>
> OR !!... you COULD try macrosizing the experiment so that you could
actually
> discern these changes with the eyeball. Take a 6 foot by 4 foot peice of
wood
> and shape it like a gigantic flange. Bore out a 2 foot diameter hole on
your
> bench drill press and repeat your experiment.. you may have to let it be
exposed
> to humidity a bit longer... but thats ok.
>
> >
> >
> > Terry Farrell
> > Piano Tuning & Service
> > Tampa, Florida
> > mfarrel2@tampabay.rr.com
> >
> > ----- Original Message -----
>
> --
> Richard Brekne
> RPT, N.P.T.F.
> Bergen, Norway
> mailto:Richard.Brekne@grieg.uib.no
>
>
>
>
>