Tuning pin size?

[David Love]

I thought the choice of pin diameter was a function of the optimum amount of 
torque to achieve tuning stability and the smallest diameter that would 
reliably resist shearing off the pin.

David Love


>From: Ron Nossaman <RNossaman@KSCABLE.com>
>Reply-To: pianotech@ptg.org
>To: pianotech@ptg.org
>Subject: Re: Tuning pin size?
>Date: Thu, 17 May 2001 22:52:47 -0500
>
> >Ron & List,
> >My question was and still is, does anyone know when and how did the
> >industries decide on the diameter of tuning pins?
>
>Hi Joe,
>Again, I sure don't specifically, but with the consensus of opinion of
>rebuilders who are willing to decide for themselves what works and what
>doesn't (based on personal experience and experimentation rather than
>industry specified sacred cows), ending up in about the same place, it
>can't have been anything but a similar process among manufacturers that set
>these standards in the first place. What aspect of piano design a hundred
>years ago wasn't dictated by empirical criteria of what seemed to work best
>according to what they knew at the time? And once any manufacturer had
>something that seemed to work, why wouldn't everyone else not attempt to
>copy it to save themselves the trouble of trying to work out their own
>understanding of why something worked - or didn't?
>
>
> >Another question that's bugged me for years: Why is it that some
> >manufacturers 2/0 tuning pins are too big for a standard #2 tip, while 
>some
> >are too small and others are just right? (Hmmmm! sounds like Goldilocks 
>had
> >something to do with that!) :-)
> >Regards,
> >Joe Garrett
> >P.S.
> >An afterthought: Maybe Jack Wyatt might know about this stuff. Jack?
>
>The tip shape is an entirely different and separate concern from pin
>diameter, and is apparently not standardized even today.
>
>
>Ron N

_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com