[pianotech] Fly dampers

[Robin Stevens]

I've seen this many times before. The problem is that water or booze has
entered from the top hinge and gravitated to the dampers soaking them and
causing them to stick to the strings. All those dampers will be rock hard
and the glue joint of the damper felt to the damper block is not as strong
as the new attachment of the damper to the strings so hence the separation.

Robin  

 

From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of David Boyce
Sent: Sunday, 20 January 2013 12:21 PM
To: pianotech at ptg.org
Subject: [pianotech] Fly dampers

 

Why were certain notes on my customer's nice old German upright going
"dunk"?  Because the damper felts had come off the heads and stuck to the
strings.

This action has a set of "fly dampers" in the bass - not unusual - BUT, in
this action, they are below the level of the hammers. See pic.  I've not
seen this before.

Best regards,

David.

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