Tensioned hammers and "the staple"

[Tom Servinsky]

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David,
According to Wally Brooks, Brooks LTD, the staple acts as a "girdle", =
helping to keep pressure pushing upwards.  His source of information =
comes straight from Abel.
Tom Servinsky,RPT
  ----- Original Message -----=20
  From: David Love=20
  To: Pianotech=20
  Sent: Wednesday, September 26, 2001 7:04 PM
  Subject: Tensioned hammers and "the staple"


  While in Reno I had a conversation with two established =
representatives of well known hammer manufacturer's regarding the =
function of the staple.  both agreed that it was of little use for =
keeping the felt attached to the core once the glue dried.  Beyond that, =
however,  I was given two bits if information in total opposition.  One =
argued that the staple was necessary for maintaining tension in the =
hammer and that pulling the stable would destroy the tone,  the other =
argued that the staple serves no purpose, really, and, in fact, pulling =
the staple would release some tension in the lower part of the hammer =
accomplishing to some degree what prevoicing in the low shoulder is =
designed to do.  He went on to say that many concert voicers =
automatically pulled the staple when setting up a new set of hammers for =
precisely that reason.   Can anyone comment on this apparent =
disagreement. =20
  =20
  David Love
  =20
  =20

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