[pianotech] Plate Location

[Ron Nossaman]

reggaepass at aol.com wrote:
> Hi Ed,
> 
>        Also, once again following "Guru"  Chris Robinson's example, I
>     now use 1/0 pins for all new blocks.  They leave room in the plate,
>     they allow for a move to 2/0 at a later date, and they tune very
>     nicely. 
> 
> Interesting.  Considered doing this to a Stwy not too long ago but was 
> advised against it by someone (more knowledgeable than I) who had tried 
> it and advised against using such a small diameter tuning pin UNLESS it 
> there was no plate webbing over the tuning pin field (e. g., older 
> Bosendorfers), allowing the coil to be much closer to the block itself 
> and making it less prone to flagpoling under the tension of the string. 
>  But hey, if you and Chris Robinson have done this successfully, that is 
> good information!

I haven't checked lately, but Yamaha grands used to have 
something like 6.9mm tuning pins. That was back when they 
tuned real easy. They also had plate bushings though.
Ron N