[CAUT] Fw: mystery center pinning

Barbara Richmond piano57@flash.net
Fri, 3 Dec 2004 22:59:55 -0600


Thanks for your response, Kent.

I was going to call today, but time got away.

So, did I screw them all up?  Should I be concerned that the friction stay 
where I put it?

Thanks,

Barbara Richmond


----- Original Message ----- 
From: "Kent Webb" <kw88keys@yahoo.com>
To: <ed440@mindspring.com>; "College and University Technicians" 
<caut@ptg.org>
Sent: Friday, December 03, 2004 10:48 PM
Subject: RE: [CAUT] Fw: mystery center pinning


> Hello All,
>
> It's not often I get a chance to view the list but I
> did see this post and can confirm what Ed wrote. The
> S&S spec for center pins torque is 1-4 grams but I
> have seen many sets work fine at less than one gram.
> Like many of you, I was accustomed to a higher torque
> (more like 4-6 grams) but S&S uses a dense felt with a
> teflon extender that enables very low friction while
> maintaining a firm control. A great advantage of this
> is accelerated up-weight and, from my expereince, when
> many pianists say they want a lighter touch they are
> really trying to tell us they want the keys to stay
> with their fingers as they lift from the keys. The
> higher the upweight, the faster the key will stay with
> thier fingers on the return to full at-rest position.
>
> Hope this helps.
> Kent Webb
>
> --- Ed Sutton <ed440@mindspring.com> wrote:
>
>> I believe what you have are parts behaving according
>> to current genuine Steinway factory standards, i.e.
>> "swing as many times as possible as long as there is
>> no wobble side to side."
>> Others of greater authority than I will either
>> confirm or demolish this statement.
>>
>> Ed S.
>>
>>
>> ----- Original Message ----- 
>> From: Barbara Richmond
>> To: College and University Technicians
>> Sent: 12/3/2004 11:17:25 PM
>> Subject: [CAUT] Fw: mystery center pinning
>>
>>
>> Yet another question, folks,
>>
>> I had to repin all the Steinway shanks I recently
>> installed.  When they came, they were the best
>> examples of perpetual motion machines I had ever
>> seen.  Well, golly, almost all of them have loosened
>> up again!--not to their original state, but much
>> looser than I find acceptable. (The piano got used a
>> couple of times while work was in progress.)   Dang,
>> I've never had this happen before---am I in the
>> twilight zone?  I couldn't believe my eyes.  Would
>> shrinking the cloth help before I pin....again?   I
>> do have plenty of high quality bushing cloth on
>> hand.......groan.
>>
>> Also, I was surprised the first time I repinned to
>> find that the center pins were all .052.  That
>> seemed sort of big for original pinning.  I replaced
>> them with .053.  Now I feel like I'm going to end up
>> using telephone poles to get them right.  Here I
>> thought I was almost done with this job and now
>> this......  :-(
>>
>> Help!
>>
>> Barbara Richmond, RPT
>
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