Teflon bushings: (was Re: Pinning on new flanges}

David's Email ilvey@sbcglobal.net
Wed, 25 Aug 2004 19:10:54 -0700


I was under the impression that one of the problems with teflon was wood 
swelling and squeezing the bushing thus tightening the flange... is this 
another urban legend?

David I.

----- Original Message ----- 
From: "Avery Todd" <avery@ev1.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Wednesday, August 25, 2004 5:48 PM
Subject: Re: Teflon bushings: (was Re: Pinning on new flanges}


> Sarah,
>
> I have to disagree a "little" bit here. IMHO, the primary reason that
> the Teflon actions had such a hard time with piano technicians is that
> that never bothered to "teach" the techs how to deal with it/them.
>
> From what I've been told, teflon responds exactly the opposite of felt
> bushed flanges.
>
> Avery
>
> At 12:32 AM 8/25/04, you wrote:
>>At 12:27 AM -0400 8/25/04, Sarah Fox wrote:
>>>...  The problem with Steinway's Teflon blunder was the
>>>loosening of the Teflon in the wooden hole with humidity changes. ...
>>
>>Sarah,
>>
>>I have to intervene as a result of this comment. Maybe you will appreciate 
>>what I have to say, maybe not.
>>
>>For the record what I am about to say is an inner unfoldment that I came 
>>to solely after several years of working with repinning and/or replacing 
>>teflon bushings.
>>
>>If there is to be any blunder attributed to Steinway and the teflon 
>>bushing experience:
>>
>>1) it was only in that company's over evaluation of the abilities of the 
>>piano technicians in the field to understand the beauty of the teflon 
>>bushing in all its glory,
>>
>>2) to not forsee the unwillingness of piano technicians to invest in the 
>>necessary tools to work with them,
>>
>>3) and the capacity to truly understand the techniques as to how to 
>>properly replace and/or repin them.
>>
>>Those three things were, in my judgement, the main reasons for the 
>>eventual undoing of the teflon bushing, not humidity changes.
>>
>>Somebody mentioned it was ahead of its time. Hardly. In my opinion the 
>>general populace of piano technicians during that era were just unable to 
>>embrace it, so it got the bad mouth from those who never really gave it 
>>the time of day.
>>
>>Such is the way of some things.
>>
>>Keith
>>--
>>Keith McGavern
>>Registered Piano Technician
>>Oklahoma Chapter 731
>>Piano Technicians Guild
>>USA
>>
>>_______________________________________________
>>pianotech list info: https://www.moypiano.com/resources/#archives
>
> _______________________________________________
> pianotech list info: https://www.moypiano.com/resources/#archives 


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