Regulating Woes

[Joe & Penny Goss]

Newton,
Humm interesting, makes me see another use for my string level.
As a rule are the shanks of a grand nearly level at the moment of impact
with the strings?
Joe Goss
----------
> From: Newton Hunt <nhunt@jagat.com>
> To: pianotech@ptg.org
> Subject: Re: Regulating Woes
> Date: Saturday, July 17, 1999 2:53 PM
> 
> > It is difficult to tell if the hammers are bored exactly the same. The
old
> > hammers were shot and had been heavily filed, so I can only estimate
the
> > distance from the strike point to the hole. The distance from the hole
to
> > the back of the molding is the same.
> 
> The shank should be just short of parallel to the strings when the
> hammer is against same.  If the hammers are so short that the shank is
> vertical or past then you have a performance problem as well as a
> regulation problem.
> 
> You can put a small bubble level on a square block os wood, check the
> strings with the bubble then check the hammer shank.  Simple but
> necessary.  
> 
> If the hammer bore is longer then you will have less after touch then
> you would like.
> 
> You can tell nothing about the length of the tail on an upright.
> 
> 		Newton