abel needling technique

[jason kanter]

Thanks. I'd love to hear from others. Ari Isaac says:

Pushing needles into the shoulders rips the fibres, hence the puffing out of
a heavily needled hammer.  This means that when you push needles into the
shoulder radially you lose control.  Since every set of hammers is
different, one can never tell how much energy is lost when needles puncture
the shoulders.  The more the shoulders are punctured - the more energy and
the more control is lost.  This is neither an efficient nor a safe way of
voicing.

To what extent do any of you agree/disagree with this?
I can certainly see the danger of damaging the hammershank pinning with
sideways pressure, and I imagine that this technique calls for a specialized
plier-type tool. Does this danger outweigh the benefits, as Corte suggests?

Jason

----- Original Message ----- 
From: "Corte Swearingen" <cswearingen@daigger.com>
To: "Pianotech" <pianotech@ptg.org>
Sent: Tuesday, April 20, 2004 5:15 AM
Subject: Re: abel needling technique


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> Jason,
>
> I tried this technique on my own Yamaha U1 and, I have to say, I didn't
> notice much difference.  Maybe I should have been using a slightly thicker
> needle.  The downside to this technique is that you really have to be
> careful so as to not exert to much pressure sideways on the hammer/shank
> assembly.  It's not as easy as it sounds.
>
> Corte Swearingen
> Chicago
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>
>                       "jason kanter"
>                       <jkanter@rollingb        To:       "Pianotech"
<pianotech@ptg.org>
>                       all.com>                 cc:
>                       Sent by:                 Subject:  abel needling
technique
>                       pianotech-bounces

>                       @ptg.org
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>                       04/19/2004 11:39
>                       PM
>                       Please respond to
>                       Pianotech
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> Last year I came across a Web article describing Abel's method of needling
> hammers. Can someone describe the technique? I can't find it. It involves
> needling into, or through, the hammer from the side instead of in from the
> shoulders and crown. What do you folks think about this method?
>
> Jason
>
>
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