AB Chase Concert Grand

gordon stelter lclgcnp@yahoo.com
Tue, 6 Apr 2004 11:58:36 -0700 (PDT)


--- Dean May <DeanMay@PianoRebuilders.com> wrote:
> >>The plate struts are parallel to the string load,
> and although offset
> from the string plane by an inch or so (as compared
> to the beams'
> 6-7"), carry the load directly, by compression.
> 
> 
> If the load is offset any, it cannot be pure
> compression. Offset loads
> create a torque couple.

Which is why good pianos have nice, deep rims and long
plate to rim bolts: to resist the torque.
     Thump

> 
> Dean
> 
> Dean May             cell 812.239.3359
> PianoRebuilders.com   812.235.5272
> Terre Haute IN  47802
> 
> 
> 
> _______________________________________________
> pianotech list info:
https://www.moypiano.com/resources/#archives


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