marking tuning pin holes for drilling.

[gordon stelter]

It only follows that a plate bushing will inhibit air
circulation and moisture permeation from temporarily
increased humidity over the block. Can't hurt, can it
?

    Thump


--- Richard Brekne <Richard.Brekne@grieg.uib.no>
wrote:

> Farrell wrote:
> 
> >Is this a joke also? Or did I miss something. Plate
> bushings to stability
> >pinblock MC?
> >  
> >
> 
> No.. not pinblock MC.   One of the big arguments
> tossed around is how / 
> if / why  the pinblock moves -- creeps over time
> under the tensions that 
> are exerted on it, and how this effects the need for
> very good fitting 
> with the plate...specially the plate flange.  It is
> argued that because 
> the fulcrum of the pins is moved upwards and onto
> the plate via the 
> bushings when these are used, that the requirement
> for exact pinblock/ 
> flange fitting is not so critical. A good deal more
> arguementation gets 
> tossed in on both sides.  As far as I can see the
> main arguementations 
> for or against the use of bushings goes along these
> lines. Most of the 
> rest seems a bit periphial IMHO.
> 
> Lots of  stuff on this in the archieves... I'm sure
> you are pretty 
> familiar with most of it Terry.
> 
> Cheers
> RicB
> 
> _______________________________________________
> pianotech list info:
> https://www.moypiano.com/resources/#archives
> 



		
__________________________________
Do you Yahoo!?
Yahoo! Mail Address AutoComplete - You start. We finish.
http://promotions.yahoo.com/new_mail