[pianotech] Beckets

David Skolnik davidskolnik at optonline.net
Thu Oct 8 06:15:42 MDT 2009


Jude -
One of those times where a picture (diagram) would illuminate.  While 
I keep trying, is "negative pin angle" leaning towards the 
agraffe?  And what do you mean by
>comparing "flag pole range" to "non-flag pole range."?

David Skolnik



At 06:37 AM 10/8/2009, you wrote:
>    Fair enough, EXCEPT there is the occasional situation in the low 
> tenor and bass where the agraffe to tuning pin string length is so 
> short that you either
>need an especially high front bearing (making it even more difficult 
>to thread the wire up and over), more than less coils (my late 
>entrance to this thread) a shorter pin height than the neighbors, or 
>a negative pin angle to allow the last winding to be tight up against the rest.
>
>    As for pin depth, it is my experience that the deeper the pin 
> the greater the torque.  I would be interested to hear others' 
> experience with this. Perhaps my perception was simply comparing 
> "flag pole range" to "non-flag pole range."
>
>    Jude
>
>    ---




More information about the pianotech mailing list

This PTG archive page provided courtesy of Moy Piano Service, LLC