<DIV>How are you supposed to regulate the action with next to zero friction in those shanks and flanges?<BR><BR><B><I>Kent Webb <kw88keys@yahoo.com></I></B> wrote:
<BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Hello All,<BR><BR>It's not often I get a chance to view the list but I<BR>did see this post and can confirm what Ed wrote. The<BR>S&S spec for center pins torque is 1-4 grams but I<BR>have seen many sets work fine at less than one gram.<BR>Like many of you, I was accustomed to a higher torque<BR>(more like 4-6 grams) but S&S uses a dense felt with a<BR>teflon extender that enables very low friction while<BR>maintaining a firm control. A great advantage of this<BR>is accelerated up-weight and, from my expereince, when<BR>many pianists say they want a lighter touch they are<BR>really trying to tell us they want the keys to stay<BR>with their fingers as they lift from the keys. The<BR>higher the upweight, the faster the key will stay with<BR>thier fingers on the return to full at-rest position.<BR><BR>Hope this helps.<BR>Kent Webb<BR><BR>--- Ed Sutton
<ED440@MINDSPRING.COM>wrote:<BR><BR>> I believe what you have are parts behaving according<BR>> to current genuine Steinway factory standards, i.e.<BR>> "swing as many times as possible as long as there is<BR>> no wobble side to side."<BR>> Others of greater authority than I will either<BR>> confirm or demolish this statement.<BR>> <BR>> Ed S.<BR>> <BR>> <BR>> ----- Original Message ----- <BR>> From: Barbara Richmond <BR>> To: College and University Technicians<BR>> Sent: 12/3/2004 11:17:25 PM <BR>> Subject: [CAUT] Fw: mystery center pinning<BR>> <BR>> <BR>> Yet another question, folks,<BR>> <BR>> I had to repin all the Steinway shanks I recently<BR>> installed. When they came, they were the best<BR>> examples of perpetual motion machines I had ever<BR>> seen. Well, golly, almost all of them have loosened<BR>> up again!--not to their original state, but much<BR>> looser than I find acceptable. (The piano got
used a<BR>> couple of times while work was in progress.) Dang,<BR>> I've never had this happen before---am I in the<BR>> twilight zone? I couldn't believe my eyes. Would<BR>> shrinking the cloth help before I pin....again? I<BR>> do have plenty of high quality bushing cloth on<BR>> hand.......groan.<BR>> <BR>> Also, I was surprised the first time I repinned to<BR>> find that the center pins were all .052. That<BR>> seemed sort of big for original pinning. I replaced<BR>> them with .053. Now I feel like I'm going to end up<BR>> using telephone poles to get them right. Here I<BR>> thought I was almost done with this job and now<BR>> this...... :-(<BR>> <BR>> Help!<BR>> <BR>> Barbara Richmond, RPT<BR><BR>_______________________________________________<BR>caut list info: https://www.moypiano.com/resources/#archives<BR></BLOCKQUOTE></DIV><BR><BR>Vince Mrykalo<br>University of Utah<p>
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