Grand knuckle material

[David ilvedson]

> Date:          Mon, 24 Nov 1997 10:38:35 -0700
> To:            pianotech@ptg.org
> From:          John Musselwhite <musselj@cadvision.com>
> Subject:       Re: Grand knuckle material
> Reply-to:      pianotech@ptg.org

Are you sure it is soapstone in the holder?  I've seen those 
before and it wasn't soapstone...Don't know exactly what it was. 
Microfine teflon IMHO is superior to anything I've tried 
including soapstone.

David ilvedson, RPT
Pacifica, CA


> At 06:41 PM 11/23/97 -0600, Bill & Keith wrote:
> 
> >>    ...What is the list's concensus on lubing grand knuckles either
> >>synthetic or natural?...
> 
> If they're synthetic then replace them. We had a tech seminar on that the
> other night at our chapter meeting. If the piano is a new Samick the
> factory will send you new knuckles and cover the expense if the serial
> number is right.
> 
> >I now use MIcro-Fine Teflon Powder, available from Bill Spurlock, and
> >reapply when the squeaking reappears.
> 
> I went down to a local tool store that services the welding trade and
> bought a soapstone welder's pencil and holder for about $3. Welders use
> them for marking sheet metal. Rub the soapstone on the knuckle. There's no
> mess, no fuss, no big expense for the M-F Teflon powder and it works
> extremely well. 
> 
> If you try it, make sure you get the rectangular soapstone for the holder
> and not the round pencil-like type, which is harder and doesn't work as well.
> 
> 			John
> 
> 
> John Musselwhite, RPT               
> Calgary, Alberta Canada   
> musselj@cadvision.com
> http://www.cadvision.com/musselj/
> 
> 
> 
ilvey
Pacifica, CA
ilvey@a.crl.com