reply to Ilvedsen on yamaha hmrs

[vanbrussel]

In the Yamaha factory they do not use steam methods for voicing.
Just needling. You can not use steam on a Yamaha hammer

Martin

> From: "Erwinpiano" <Erwinpiano@email.msn.com>
> Reply-To: pianotech@ptg.org
> Date: Sat, 25 Nov 2000 21:52:35 -0800
> To: <pianotech@ptg.org>
> Subject: Re: reply to Ilvedsen  on yamaha hmrs
> 
> Hi David
> Sorry bout misspelling on your name .To answer your specific ? on shrink
> wrapping haamers I thought a definition is in order . I consider a hammer
> that  thas been made so hard as to be inpenitrble to needles or ones  that
> even after much voicing soon return to there  prior ear shattering ways to
> bear my deragatory term shrink wrapped . I am sure there are a variety of
> ways to do that .The one most familiar to me is the practice of introducing
> steam into the felt as it is being pressed and under pressure.This practice
> removes much or most of resilience , densifys the felt to the point of being
> unusable. Now however that is being done  at yam. or anywhere else would be
> interesting to be sure and other opinions and insights and on sight
> observations would be enlightening .But  no matter how its being done we
> still find a product as described above an impediment to voicing  and
> voicing stability. Would you agree? If voicing these hammers  is so labor
> intensive and  difficult to achieve optimum results two things come to mind
> .. Who pays for all that voicing and  fine instruments such as yamaha often
> are not heard at there best.Now I actually did't start all this dialogue to
> say that all yam. hammers are this way or that this maker is the only one
> with the above described difficultys and it is also not to say that I don't
> enjoy the piano or my associations with this particular company. I'm just
> expressing day to day frustrations of trying to create a full piano tone
> with a type of hammer that is blocking my goals. There ,I think that's
> enough backpeddling . I do have my favorite hammers that I use and would be
> happy to share this info another time.But being primarily a rebuilder and
> remanufacturer of instruments I try to use hammers that are easy to voice
> and voicing stable so I'm not continually being called back for tonal
> complaints. I't ain't good for business. sincerely Dale Erwin
> 
> 
>