Fw: Fw: Fw: hammer replacement

[Erwinpiano]

   Newton

Your point is well taken and a very good clarification on the upright boring
deal. I like Big old uprights and still rebuild a few.

 Best

 Dale Erwin


----- Original Message -----
From: "Newton Hunt" <nhunt@optonline.net>
To: <pianotech@ptg.org>
Sent: Friday, June 29, 2001 12:36 PM
Subject: Re: Fw: Fw: hammer replacement


> >  In uprights this is less critical and original
> >  bore intentions less easy to measure.
>
> Not true
> and true.
>
> Geometry is as important to the performance of an upright action as it is
> for a grand piano.  To accurately measure the required bore distance for
an
> upright you must set the shank at just less than parallel (just as in a
> grand) to the strings then measure from the shank to the string strike
line
> and so the hammer molding will be perpendicular to the string when it
> touches it.  Same things as on a grand.
>
> Doing it right will help make it perform properly.
>
> Don't slight an upright because it is not a grand, after all, most of them
> belong to your customers.
>
> Newton
>