Foam Rubber on Rest Rail?

[David's Email]

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I'm presuming this was an old Yamaha?  I ran across an old one with foam =
rubber used for the backrail.  I was like paste/putty.  I installed a =
new strip of good backrail cloth and voila...the keys were still =
perfectly level. =20

David I.
  ----- Original Message -----=20
  From: Piannaman@aol.com=20
  To: pianotech@ptg.org=20
  Sent: Tuesday, April 08, 2003 7:33 AM
  Subject: Foam Rubber on Rest Rail?


  List,=20

  I was sitting on the floor(the tables were too small to fit an action) =
of a Chinese restaurant filling the hammers of an MX 80 Yamaha 42" =
console when I noticed something I had never seen or noticed before:  =
the hammer rest rail "felt" was actually foam rubber.  Well, the shanks =
do land softly...:-) It made me wonder about the quality of materials in =
the rest of the piano.  =20

  Didn't have time to do a full inspection as I was hustling to get the =
piano back together in a fairly dark environment before the restaurant =
opened(made it with 5 minutes to spare).  Like most Yamahas that I've =
tuned, it had very few strings with false beats and the pins were =
consistent.  But how long before it starts to self-destruct?  Especially =
since it is a Disklavier and gets played at least 8 hours a day...=20

  Dave Stahl 
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