Capstan Burrs

[Tom Myler]

> From: Maxpiano@aol.com
> To: pianotech@byu.edu
> Subject: Capstan Burrs
> Date: Friday, January 24, 1997 11:37 AM
>
> List -
>
> I've heard others talk about rough spots or burrs on key capstans before
but
> never till today had any sluggishness to deal with that I could trace to
> that.
>
> I just tuned a Baldwin 243, about 30 years old, that I had given a
thorough
> key easing job to about 15 months ago.  One key that had been a long
standing
> problem was hanging slightly if you let it return slowly enough.  I could
> find no friction in the key or wippen sufficient to cause it.
>
> I took out the key and looked at the capstan head.  Seemed smooth enough,
but
> when I ran my finger around the back side, there was a burr big enough to
> feel but too small to see.  A couple of swipes with a file and polishing
with
> 0000 steel wool, and it worked perfectly.
>
> Anyone else run into this?
>
> Bill Maxim, RPT


Yes.


Myler, Tom

"It's what you learn AFTER you know it all that counts"