20 tons of tension slight correction back

[pianoman]

Hi Jim C,
So wouldn't that make them levers rather than back posts.  In a backpost
they are under compression because the are keeping apart the top from the
bottom?
James Grebe
R.P.T. of the P.T.G.
 St. Louis, MO.
Competent Service since 1962
                                        Caster Cup Center of the Universe
                   Home of Handsome Hardwood Caster Cups
pianoman@inlink.com        

----------
> From: Jim Coleman, Sr. <pianotoo@imap2.asu.edu>
> To: pianoman <pianoman@inlink.com>
> Cc: pianotech@ptg.org
> Subject: Re: 20 tons of tension slight correction
> Date: Tuesday, September 01, 1998 10:44 PM
> 
> Hi James:
> 
> Since I worked for several years for a dealer who sold Everetts, I
observed
> that the backposts were indeed cast iron, but they indeed were in tension
> and not in compression inspite of their literature.
> 
> Jim Coleman, Sr.
> 
> On Tue, 1 Sep 1998, pianoman wrote:
> 
> > Hi Jim,
> > The Everett did not use cast iron back posts.  They were iron tension
> > LEVERS.  Didn't you read all their literature?
> > James Grebe
> > R.P.T. of the P.T.G.
> >  St. Louis, MO.
> > Competent Service since 1962
> >                                         Caster Cup Center of the
Universe
> >                    Home of Handsome Hardwood Caster Cups
> > pianoman@inlink.com        
> > 
> > ----------
> > > .net
> >