[pianotech] Profelt for loose centres?

Dean May deanmay at pianorebuilders.com
Wed May 27 11:50:04 MDT 2009



 

Available at my local hobby shop for 50 cents apiece. I highly recommend. 

 

Dean

 

Dean May             cell 812.239.3359 

 

PianoRebuilders.com   812.235.5272 

 

Terre Haute IN  47802

 

 

 

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Jim Busby
Sent: Wednesday, May 27, 2009 11:44 AM
To: pianotech at ptg.org
Subject: Re: [pianotech] Profelt for loose centres?

 

We've now tried it dozens of times for centers and we DON'T recommend it for
centers. Not only does it NOT tighten, in some cases it made them looser.
Surprizingly, we use it to voice hammers. A small drop in the groove does
it. Experiment with it and you'll see. Works great on key bushings too.

 

Here's a trick to get a "small" drop; using a small needled bottle, point
the needle down and let 5 or so "sacrificial" drops leak out on a rag, etc.
Now, keep the bottle pointing downward and you'll see that the fluid is held
up by the vacuum created. A very tiny drop will now flow, until after a
while the suction is too great and you need to tip and start again, or just
squeeeze out the size drop you need. It's very easy, fast really.

 

Jim Busby RPT

 

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