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<title>Re: Vellum Hinges</title>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>John Said”</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I have now collected and dismantled the Blüthner damper action.
Here is a picture of one of the bodies. I will report in more detail
later, but the vellum (dry) on this action is almost exactly 0.5mm thick.
I will measure the slots when I have removed the hinges and everything is dry.<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I would agree that such a vellum might be too thick for the hinges on
early squares etc. but for grand damper bodies it is fine.<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'>I would not put the damper fingers in water
to remove the vellum. This swells the finger and can also make the abstract
twist when drying. Use a vellum saw to cut out the old vellum, it follows the
old vellum if you are careful. <o:p></o:p></span></font></p>
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style='font-size:12.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>To find a replacement vellum, I use old
drum skins, as these are of the thickness needed to do the job, normally around
0.15 mm. I have replace many sets of these hinges with great success.<o:p></o:p></span></font></p>
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<p class=MsoAutoSig><font size=2 color=navy face=Calibri><span lang=EN-AU
style='font-size:11.0pt;color:navy'>Kerry Cooper ARPT<o:p></o:p></span></font></p>
<p class=MsoAutoSig><st1:City w:st="on"><st1:place w:st="on"><font size=2
color=navy face=Calibri><span lang=EN-AU style='font-size:11.0pt;color:navy'>Brisbane</span></font></st1:place></st1:City><font
color=navy><span lang=EN-AU style='color:navy'> Piano Centre<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=2 color=navy face=Calibri><span lang=EN-AU
style='font-size:11.0pt;color:navy'>ph: +617-3809-0652<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=2 color=navy face=Calibri><span lang=EN-AU
style='font-size:11.0pt;color:navy'>Fax: +617-3809-4699<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=2 color=navy face=Calibri><span lang=EN-AU
style='font-size:11.0pt;color:navy'>email: brispiano@optushome.com.au<o:p></o:p></span></font></p>
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