Loose Bridge Pins and False Strings

[David Ilvedson]

Ron,

Have you patented that idea?   I believe I first talked about it.......

David I.



----- Original message ----------------------------------------
From: Ron Nossaman <rnossaman@cox.net>
To: Pianotech <pianotech@ptg.org>
Received: Fri, 15 Apr 2005 12:28:13 -0500
Subject: Re: Loose Bridge Pins and False Strings


>Michael Gamble wrote:
>> Hello Ron N and Listers
>> I sent this yesterday:
>> Hello Ron (and List)
>> Your statement about false beats is a "must read" for all interested in
>> tuning pianos. I concur with all you have said. It all makes profound 
>> sense.
>> I now eagerly await a "trial by fire". I have therefore put your obiter
>> dictum on the List for all to read.
>> Now....
>> Today I have had the opportunity to test your statement about loose 
>> bridge pins = false strings. I took a screw driver to a false string in 
>> the D5 zone where there was a particularly obnoctious falseness (piano: 
>> baby grand Hopkinson) and... it worked!  The beat disappeared as I 
>> touched the pin on the speaking/string side. Remove screw driver and the 
>> falseness reappears. OK. The owner knows the bridge is split at several 
>> pins (not where I was experiencing that Nossaman Phenomenon though) and 
>> he accepts the high cost factor of replacing the capping. So, I rest 
>> your case.
>> Regards
>> Michael G.(UK)


>Michael,
>The effect of loose bridge pins on false beats has been known since 
>many years before I ever even SAW a tuning lever. What I've been 
>attempting to do is put some explanatory causes to the effect. I'll 
>claim that endeavor as mine, pending enlightenment to the contrary, 
>since all the rest of these details are the result of my research 
>efforts at self-education. A few people have gotten it, but for the 
>most part, all most techs want to know about it is "when I seat the 
>string, or drive in the pin, the tone improves - sometimes". 
>Personally, I'd like to at least attempt have some idea of what's 
>broke, and understand as much as I can about what's really happening 
>before I start "fixing" things.

>I appreciate your interest,
>Ron N
>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives