tapping strings

[Jon Page]

At 01:33 PM 4/5/2002 +0000, you wrote:

>  and the pin doesn't climb
> >out of it's hole"
> >
> >
>Hi Ron,
>         Do you have any proof of that statement?  Hydrolic action in soils,
>causes fence and telegraph post to creep out of the ground.( very well
>documented)
>With humidity swings in maple, why would the same effect not exist?  High
>humidity exerts pressure on the bottom and sides of the pin, and the top is
>free to move.  Once you swing back to a low humidity condition, it's
>possible for the pin to move, dependent on friction. but it can only move
>up, and to the side that is being forced by the side bearing.
>
>Just some fgoood for thought.
>
>Regards Roger

I've seen pins which have migrated out of the holes. I could tell by the 
layering of oxidation
colouring on the pins.

Jon Page