pinz

[Delwin D Fandrich]

----- Original Message -----
From: Ron Nossaman <RNossaman@KSCABLE.com>
To: <pianotech@ptg.org>
Sent: April 20, 2000 9:57 AM
Subject: Re: pinz


> >Hi Ron,
> >           No answers, but an observation, Yamaha's seem to have far less
> >little hair line cracks at the bridge pins than other popular brand
names.
> >Is it related?
> >
> >Roger
>
> I've noticed that too, and it could very well be. I've wondered more than
> once where the trade off is between PSI decrease of pin/wood contact area
> and loss of integrity of the bridge cap from the bigger hole. I'm
beginning
> to suspect that the PSI loading is the more critical. Also, why brass. The
> larger diameter is likely as not to be for increased stiffness of the
> softer material, rather than preservation of the bridge cap. I'd guess
> that's most likely to have been an unplanned side benefit, but it may have
> been intentional too. So why brass? inherent lubricity?
>
> Ron N

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I was once told that brass was used as an attempt to reduce false beats.
The idea was that the softer material would 'absorb' these.  Didn't make
sense to me then -- still doesn't.

Del