Tensioned hammers and "the staple"

[Delwin D Fandrich]

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  ----- Original Message -----=20
  From: Tom Servinsky=20
  To: pianotech@ptg.org=20
  Sent: September 27, 2001 1:46 PM
  Subject: Re: Tensioned hammers and "the staple"


  Del,
  Have you had any problems with the Renner hammer ( non-stapled) =
pulling apart in high humidity regions. In S. Florida I have had 5 sets =
that we installed pulled apart. Obviously the problems were in the low =
tenor and bass and not the top 1/3 of the piano, which I'm assuming is =
why you stop where you do. I too have found that the reduction in touch =
weight far outweighs any concerns for separation in that portion of the =
instrument. But as a safe-guard for me, wires throughout the rest of the =
piano are mandatory.
  Tom Servinsky,RPT
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-----

Tom,=20

I haven't used Renner hammers for years. They are far to hard and dense =
for anything we do. It would be impossible to soften them enough using =
any technique known to the modern world. We use unlacquered Isaacs and =
unlacquered S&S hammers with a few unlacquered Ronsen's thrown in from =
time to time.

Del

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