Brass Rails

[David ilvedson]

Has anyone had Schaff reproduce brass rails in the near past?  I 
have a Kimbell upright that needs this done and I wanted to know 
if there are any problems associated with installing the new 
rails and old flanges...

Thanks in advance...

David Ilvedson, RPT
Pacifica, CA  

> Date:          Mon, 22 Jun 1998 14:59:48 -0500
> To:            pianotech@ptg.org
> From:          Conrad Hoffsommer <hoffsoco@martin.luther.edu>
> Subject:       Re:  Brass Rails
> Reply-to:      pianotech@ptg.org

> At 12:05 6/22/98 -0700, you wrote:
> >Gregory Torres wrote:
>  
> >I have heard that if you anneal brass (heat it to some temperature and
> >let it cool slowly), this cures the brittleness
> 
> >> BTW, maybe someone can explain why stainless steel has not been used in this
> >> type of application 
> 
> The metallurgists on the list surely can supply hardness numbers, but my
> guess is that the brass being softer than the centerpin does at least two
> things.
> 
> Since ductile is opposite of brittle...
> 1.  Flange will slightly mold itself around pin, affording a more secure
> clamping.
> 2.  Being softer, it would also be quieter if flange is slightly loose.
> 
> No facts to back me up, just some idle thoughts.
> Anybody who actually knows something wanna jump in?
> 
> Conrad
> 
>  
> 
> Conrad Hoffsommer		Office - (319) 387-1204
> Luther College                         Music Dept Fax - (319) 387-1076
> 700 College Drive
> Decorah, Iowa 52101-1045             hoffsoco@martin.luther.edu
> 
> Ignorance doesn't kill you, but it will make you sweat a lot. - Haitian proverb
> 
> 
>