Bonk

[Richard Strang]

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In that case, this kind of repair would be out of my realm of work. Thanks a
lot, as I think you Bonked the nail on the head.

Richard Strang
  -----Original Message-----
  From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On
Behalf Of Alan
  Sent: Saturday, June 14, 2003 4:20 PM
  To: 'Pianotech'
  Subject: RE: Bonk


  I’ve had a similar experience where the bridge crown had separated
slightly on either side of the tenor/treble notch. When you hit the note the
string sounded, but not very powerfully. Meanwhile you also got this loud
wooden bonk that sounded like hitting a drum player’s wood block trap.



  Look for separation or split in the bridge, or maybe it’s come loose from
the soundboard (crack in board?).



  I think it still sounds okay when you pluck it because of the relatively
very small amount of energy you are putting into it compared to wanging it
with a hammer.



  Speaking of hammers: Where ARE they striking and are they still in good
condition, haven’t “popped” or anything?



  Alan R. Barnard

  Salem, MO

  -----Original Message-----
  From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
Behalf Of Richard Strang
  Sent: Saturday, June 14, 2003 4:13 PM
  To: pianotech (E-mail)
  Subject: Bonk



  This is Richard Strang, from Panama. I hope this email finds you all in
good health.

     I have ran into several pianos that all have the same problem, which I
believe is caused by something that may require major repairs, but I am at a
loss as to what the real problem is. The problem is this. You can play all
the keys to check all the notes, and you'll come to a section of notes that
won't play. The hammer hits the string, but the only sound it makes is,
BONK! The strings do no resonate as they should. You can pluck the strings,
and they sound okay. You can hold the damper off the strings, but when the
note is played, the only sound it makes is, BONK! It sounds almost as if the
hammer is hitting wood, instead of the string. This is only in a section of
notes, and in the case of the U1 I inspected today, it was a little over an
octave's worth of notes in the upper tenor section, just before the treble
break. All the bass and all the treble was okay.

     Is this a problem with the bridge somehow? I have seen this problem
where only two or three notes are affected, and another piano where the
entire tenor section was dead, and I have had no solution. I feel bad that I
have studied and been in the practice for so long, but have no solution to
this problem. Can someone help me out? Thank you.







   Richard Strang







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