Grey Market / Wood Destuction at 4%

[Richard Brekne]

Erwinpiano wrote:

> Hi Don,
>
>    Grey market or not, how  does even the best of constructed boards survive
> such a climactic thrashing?    Even at 20%Relative Humidity  and 70degrees
> temp.,   equilibrium moisture content  is roughly 4.5 to 5% and about the
> recommended e.m.c. if you were building  a pure compression style board.I.E
> flat ribs& curved press(Steinway style specs.)   Do  pianos just pop like
> ripe melons hitting the asphalt or  slowly self destruct or what.    So I'm
> curious to know what happens over time to any  good piano with and without
> humidity control.
>
>    I mean 4%.   Lets see that's roughly  like  )_(*&%^$#$$@@!@#   NO
> MOISTURE AT ALL!!!!!!! IN THE WOOD.!!!!!!
>
>     Dale Erwin
>
>     P.  I am from Calif after all ,this does'nt compute.

Grin..... not to mention what this will do to your skin.... sorta like being
freeze dried...without the frezze.  I can just see the outer layers evaportating
away... Hard to imagine so low a RH as 4%.

--
Richard Brekne
RPT, N.P.T.F.
Bergen, Norway
mailto:Richard.Brekne@grieg.uib.no