[pianotech] Reversing Crown

[Noah Frere]

1927 Steinway L

On Thu, Dec 31, 2009 at 9:59 AM, <erwinspiano at aol.com> wrote:

>  Even in the rare cases of piano with intentionally designed reverse crown
> board it still depends on positive bearing load to function.
>  What kinda piano was this that started this thread anyway?
>  Dale
> -----
>   That’s right.  Anytime you have negative bearing, the strings are
> pulling the bridge up just as with positive bearing they are pushing the
> bridge down.  If you were to detach the strings from the bridge pins where
> there was negative bearing they would hover above the bridge.  You would
> have to push the string down to reattach it to the bridge thus the force
> from the string would be upward.
>
> David Love
> www.davidlovepianos.com
>
>
>
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