Hang'n dem Hammers

[Erwinspiano@aol.com]

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In a message dated 9/29/2002 9:06:55 AM Pacific Daylight Time, A440A@aol.com 
writes:


> Subj:Re: Hang'n dem Hammers 
> Date:9/29/2002 9:06:55 AM Pacific Daylight Time
> From:<A HREF="mailto:A440A@aol.com">A440A@aol.com</A>
> Reply-to:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> To:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A>
> Sent from the Internet 
> 
>             Ed 

                    I agree and am on the same page. On the one hand I'm a 
whatever works for you kind of approach but doing it the other way, for 
me,presents more opportunity for error & frustration  due to some of the 
things you mentioned Ed and the ineffiency of not being able to seperate job 
functions.Ie traveling all shanks at once using a square, determing strike 
and bore  angles and hanging in one operation.  I really am trying to make 
money doing it.
       The curved hammer line is so common on stwys in my shop I can all most 
call it before hanging. Dry fit and listen to the tone especially from G5 
thru E-6 with C-6 usually being the not pulled the furthest forward ,often 3 
mm. Una corda sound is improved as isoverall power and sustain.
     As an aside I know of no other factor that creatres more difficulty in 
the hanging process than that of too tight a bore fit to the shank, well 
other than hammers bore incorrectly.
   My two cents>>>>Dale Erwin

> 
> RICHARD WRITES: 
> >But I do get a real quick dead on line. Guess I am
> >looking for a good reason to learn a new approach :)
> >
> 
> Using the old hammers as guides in an "every other one" fashion brings all 
> variables of previous filing or regluing into your equation.  The hammers 
> may 
> not be in an exactly even line.  This may cause problems if you try to 
> shape 
> the tails en masse, since some may be at greater or lesser amounts of 
> inclination.  
>    I set hammer bore and hanging angles on the end hammers of the sections. 
> 
> Then, after I travel all shanks, hang the hammers with a pair of straight 
> edges held in a jig, one, a 90 degree bracket locating the bottom and front 
> 
> of the tails and another that the distal shoulder rests against.  Things go 
> 
> pretty fast, once the end hammers are correct.  
>      In the C5-C7 area, it is not uncommon for the hammer-line to be curved 
> 
> between the end hammers on a per section basis. This comes from hanging 
> trial 
> hammers in the middle of the section and moving the action in and out to 
> find 
> the best contact point on the string.  I don't think the original 
> manufacturers always took the time to do this, relying instead on straight 
> hammer lines being close enough.  
> Regards, 
> Ed Foote RPT  
> _______________________________________________


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